12. A dragster accelerates to a speed of 112 m/s over a distance of 398 m. Determine the acceleration
(assume uniform) of the dragster.

Answers

Answer 1
It takes 7.1 seconds for this to happen (distance = 1/2 x 7.1 x 112). The acceleration = 112/7.1 = 15.8 m/s^2

Related Questions

Which planet moves the fastest and which planet moves slowest?

Answers

fastest is mercury and slowest is Neptune

Explanation:

this answer is right

Answer:

fastest > Mercury

slowest > Venus

Writing an Argument About Galetown’s Severe Storms Note: If you do not have access to Amplify Science at home, your teacher will provide you with an alternate way to complete this homework. In your final report to the citizens of Galetown, you will discuss the three claims and explain how all three factors can contribute to severe storms. Then, you will predict if the storms will always be severe. What caused Galetown to have more severe rainstorms this summer than in previous years?

Claim 1: The lake that was built near Galetown caused it to have more severe rainstorms.

Claim 2: Warmer weather caused Galetown to have more severe rainstorms.

Claim 3: Stronger winds caused Galetown to have more severe rainstorms.

Be sure to use some of the vocabulary words you have learned in both of your writing assignments: Word Bank air parcel, cloud,condensation, energy, evaporation, temperature, transfer, troposphere, water vapor, weather, wind   

Recall from the previous activity which claims you think are best supported by evidence. Use these claims to explain what is happening in Galetown. You can use the data table and the words listed in the word bank above to help you with your report that answers the question: What caused Galetown to have more severe rainstorms this summer than in previous years? Press NEXT to move on to the second part of the written report. Write a 3-5 paragraph argumented essay ​

Answers

The claim that can be deduced is that B. Warmer weather caused Galetown to have more severe rainstorms.

What is a claim?

It should be noted that a claim simply means the stance of an author in a literary work.

In this case, the claim is that warmer weather caused Galetown to have more severe rainstorms.

When the temperature of an air parcel begins higher, this will make it rise higher in the troposphere before the temperature of the air parcel and surrounding air are equal.

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Why there is no effect of gravitational force of Earth on trees?

Answers

Answer: There is a gravitationnal effect but that is why the trees aren't all up rooted and flying its just that the gravitational pull isn't strong enough to keep the tree in the ground

Explanation:

I hope this helps :)

Have a good day

According to the principle of progression, exercise programs should gradually become more difficult over time.

Answers

Answer: True

Explanation:

Answer:

True

Explanation:

bc its true

Please i just need help this will be my last qeastion for today

Answers

If we see the moon in its entirety I believe it’s a full moon

Answer:

B but I still could be wrong :)

The pic isn't clear

Help Me !! I have an exam.

What will be velocity, when two bodies move in opposite direction?
1.Negative
2.Possitive
3.Zero
4. 1 and 2 both.​

Answers

Answer:

I think positive...

.....

......

positive i believe:)))

electric field
what is the magnitude of the electric field from 30 cm from a point charge of q = 30 NC?

Answers

Explanation:

Electric field = k q/r²

= 9×10⁹×30/(30×10^-2)²

= 3×10¹² N/C

You work for the police. An accident has happened. A farmer was taking his dairy cows for milking across a road. The crossing point was 100m from a blind bend. In normal conditions with an alert driver obeying the speed limit of 30m/s a car can safely stop before reaching the crossing point. Mr Hoyland was driving home, saw the cows around the bend and was unable to stop. He ran into one of the cows and killed it.

Answers

Answer:

Since the stopping distance is less than the thinking distance, Mr Hoyland is therefore responsible for the accident

Explanation:

. In normal road conditions and with an alert and sober driver the car

could have stopped before the crash.

2. The reaction time of an alert and sober driver is 0.6s.

3. The reaction time of a drunk driver could be 2s.

4. The initial speed of the car was 30m/s

5. From the time of applying the brakes the total braking distance in

normal conditions is 70m

6. From the time of applying the brakes the total braking distance in bad

conditions is 90m

7. From the time of applying the brakes in normal conditions the car would

reach 15m/s in 52m

You are a forensic expert working for the police. You must analyse the facts and produce a

report stating whether or not Mr Hoyland was responsible for the accident.

1. Calculate the thinking distance for a car travelling at 30m/s

2. Calculate the braking distance for a car travelling in normal conditions at 30m/s

3. Calculate the total stopping distance.

4. REMEMBER TO SHOW YOUR WORKING OUT

Challenge:

1. Is Mr Hoyland responsible for the accident?

2. Explain your answer giving CLEAR reasons for your answer and likely causes.

The Thinking distance = 100m

The breaking distance = 70m

A breaking distance = Stopping distance = 70m

Since the stopping distance is less than the thinking distance, Mr Hoyland is therefore responsible for the accident

A farmers accident.

As your work is for police an accident has happened. The farmer was taking his cows for milking across the road. The responsibility of both the farmers and driver in accident is taken into consideration.

The answers is before the crash.

As far as the accident could take place when is walking blind from behind. The pointing crossing was 100m from the farm.As stopping distance is less than the thinking distance, it is this possible to run into an accident. As the car could have stopped before the crash.

Learn more about the work of the police.

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The kidneys remove wastes from the blood and
process them into a liquid called:
a. urine
b. lymph
C. plasma
d. saliva

Answers

the kidneys process it into a liquid called: A. urine

A.urine

The kidney and urinary systems help the body to get rid of liquid waste

At a skills competition, a target is being lifted into the air by a cable at a constant speed. an archer standing on the ground launches an arrow toward the target. the system of equations below models the height, in feet, of the target and the arrow t seconds after it was fired. which statement most likely describes the situation modeled by this system? startlayout enlarged left-brace 1st row h = 8 2 t 2nd row h = 4 32 t minus 16 t squared endlayout the arrow is fired with an initial upward velocity of 2 ft/s. the arrow is fired with an initial upward velocity of 4 ft/s. the arrow is fired with an initial upward velocity of 8 ft/s. the arrow is fired with an initial upward velocity of 32 ft/s.

Answers

The arrow is fired with an initial upward velocity of 32 ft/s.option 4 is correct.

What is velocity?

The change of displacement with respect to time is defined as the velocity. Velocity is a vector quantity. it is a time-based component.

Velocity at any angle is resolved to get its component of x and y-direction.

The given data in the problem is;

g is the acceleration due to gravity

v₀ is the initial speed=?

h is the initial height = 4+32t-16t²

The relation of the height with the velocity and time is given according to the motion will be;

[tex]h(t)= -\frac{1}{2}gt^ 2+v_0t+h_0 \\\\[/tex]

h  = 4+32t-16t²

Hence the value of the v₀ will be 32 ft/sec.

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Answer:

Option 4

Explanation:

i got it right on ed 2022

help me ASAP!!

Do you think the number of asteroid samples a pod is carrying could make a difference? Might that explain why the same strength thruster force caused this pod to have a different change in velocity? Explain your ideas, even if you are unsure.


Please help!

Answers

Answer:

im not sure but from few stuffs i read online i will try and answer

Explanation:

The pod may be heavier or lighter than normal, depending on the number of

asteroid samples.

• Based on everyday experience, heavier objects are more difficult to move as

compared to lighter objects, which are easier to move

This pod moved differently because it was more massive. The kids in other missions were less massive, so the thursters stopped the pod. The thrusters were supposed to do stop the pod, but since it was more massive it only slowed. The force exerted by the thrusters wasn't great enough to stop the pod.

PLEASE HELP WHATS THE ASNWER

Answers

Answer:

A

Explanation:

Since the room temperature and the water placed in it is the same degrees hence no change

How much work is done by gravity if you lift a 10 kg rock 2m into the air?

Answers

Answer:

Work done = force acting on 10kg object* distance travelled.

Force = mass * acceleration due to gravity

Force = 10*9.81

Force = 98.1N

So work done = 98.1*2

Work done = 196.2Nm

Which phrase is the best definition of matter?
A. The smallest piece of a chemical compound that retains the
properties of the compound
B. A substance that can change in both volume and shape
o
C. Something that occupies a volume of space and also has mass
D. A substance that cannot be divided into smaller pieces

Answers

Answer:

C is the correct answer

please keeps as Brainly list

your great grandfather drives you to the movies at 21 miles per hour (in a 40 mile/hour zone). The movie begins in half an hour and you are 11 miles away. How long will it take you to get there, and will you be late?

Answers

Answer:

It will take you 10 miles and no, you will not be late.

Explanation:

can someone explain how to solve this?​

Answers

F1 has components +3 in the x direction and +3 in the y direction
F2 has -1 in the x and + 2 in the y
F3 has 0 in the x and -2?in the y
Adding all the x components= + 2
All the y components = +3

So the net component is (+2, +3)
I hope this helps.

PLEASE HELP I WILL MARK YOU BRAINLIEST

how does the mass of an object affect its acceleration

Answers

Answer:

Explanation:

For an object falling under the influence of gravity, the mass does not affect the acceleration -- that is a constant called "g". As the mass gets larger, it takes a greater force (supplied by the greater weight) to be able to support the same acceleration. g=F/m. The weight (the force) is proportional to mass, so the fraction is the constant g.

Answer:

As the mass of an object is increased, the acceleration of the object is decreased.

My explanation:

I like to think of it as if you have a wooden car going straight forward it will go a certain speed, if you add a 1 pound weight to that very same car it will go slower than the car without the weight.

Hope this Helps! :)

Have any questions? Ask below in the comments and I will try my best to answer.

-SGO

A machine puts out 20 watts of power for every 100 watts put into it what’s the efficiency of the machine?

Answers

The answer is 4 dived by 3

How can you make a chemical change to paper

Answers

baking a cake is a great ex

-- burn it   (it combines with Oxygen and makes new substances)

-- chew it   (it combines with your saliva and makes new substances)

-- swallow it   (your stomach juices dissolve it and make new substances)

I think that's as far as I should go with it.

PLEASE HELP!!!!

Photosynthesis Assignment.
Now that you have learned about photosynthesis, complete the following assignment.
Use the diagram below to show the cycle of photosynthesis. Include the Sun or energy, carbon dioxide, chlorophyll, water, oxygen and glucose or carbohydrates. Show what happens to each of the elements in carbon dioxide, oxygen and water. Use arrows to show the movement of the substances and label the arrows.
Click on the Activity Link button to open the Photosynthesis Master.

Answers

Answer:

Explanation:

i just submitted the assignment ill let you know how i do

Answer:

Explanation:

Added arrows and chlorophyll to the plant.

4. How long does it take a hiker to walk 7.0 miles if her average speed is 2.0 miles
per hour? *

Answers

Answer:

3.5 hours

Explanation:

7.0 divided by 2.0 equals 3.5.

A lil over 3 hours so about- 3.5 hours

1.2
A brick slides on a rough horizontal surface. Which ONE of the following
actions will increase the frictional force acting on the brick?
A. Decreasing the surface area of contact
B. Increasing the surface area of contact
C. Putting a second brick on it
D. Decreasing the mass of the brick
10-H
IS

Answers

Answer:

B

Explanation:

Because it has to increase

C. Putting a second brick on it

force of friction = mu (coefficient of friction) * normal force

normal force = mass * force of gravity

In order to increase the frictional force, mass must be added to increase the normal force and thus the amount of applied friction.

A circuit featuring multiple paths through which current can flow is best classified into which category?.

Answers

Answer:

A parallel circuit.

In a series circuit the current must flow thru the resistances in any particular branch.

Can someone please help me!!!!

Throughout this activity, you’ve explored forces. What is one question that you’d like to investigate further about forces?

Answers

Answer:

Explanation:

Perhaps how do forces such as friction benefit us in our lives? If it wasn't for friction, more car accidents were likely to happen.

Or if it wasn't for the gravitational force, we wouldn't be comfortable as we are now. Earth keeps on orbiting around the sun due to gravitational force! This is something that is very essential to us!

A student rides her bike to school. Her school is 5 miles from home. She travels at an average rate of 15 miles per hour. How much time does she need?

Answers

Answer:

.3 repeating hours

Explanation:

Scientists have concluded that Earth is at risk of future impacts with meteoroids. What are some criteria that engineers consider when they try to design technology to detect meteoroids and prevent collisions?
Science

Answers

Answer:
Explain step by step
Explanation:
Collisions with asteroids, comets and other stuff from space have been responsible for huge landmarks in our planet’s history: global shifts in climate, the creation of our moon, the reshuffling of our deepest geology, and the extinction of species.

Asteroid threats pop up in the news every now and then, but the buzz tends to fizzle away as the projectiles pass us by. Other times, as with the 2013 Chelyabinsk meteor in Russia, we don’t know they’re here until they’re here.
Perhaps most useful to remember is that when near-Earth objects (including asteroids, comets and meteoroids) enter the atmosphere, they’re called meteors; and if there’s anything left when they hit the ground, the resulting object is called a meteorite. We tend to focus on asteroids when talking about potential collisions, because they’re more likely to hit us than other stuff like comets, but still big enough to pose a threat.

By using optical and radio telescopes, the meteoroids are characterized and their shape, rotation and physical composition are determined.

Scientists have considered some criteria to detect the meteoroids and prevent collisions so that earth is protected from their impact. This includes finding the position and size of the meteoroids  and so the orbit of the earth could be changed and thus there is possibility for preventing collision.

By using optical and radio telescopes, the meteoroids are characterized and their shape, rotation and physical composition are determined. With the early recognition of the meteoroid movement and their position, the evacuation of people from the particular areas of possible impact can be done.

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If you can make it from one end of a football field to the other (100 meters) with an acceleration of 2.2m/s, what would be your top speed if you started from rest?

Answers

Answer:

v = 20.57 m/s

Explanation:

Given that,

Acceleration, a = 2.2 m/s²

Initial speed of the person, u = 0 (at rest)

Distance, s = 100 m

We need to find the top speed. It can be calculated using third equation of motion.

[tex]v^2-u^2=2as[/tex]

v is final speed

[tex]v=\sqrt{2as} \\\\v=\sqrt{2\times 2.2\times 100} \\\\v=20.57\ m/s[/tex]

So, the top speed of the person is 20.57 m/s.

A spaceship has a mass of 9000 kg. The spaceship is launched from Earth and lands on a distant planet where it has a weight of 390000 N. What is the acceleration of gravity on this planet?

Answers

m g = w
9000 g = 390,000
g = 390/9 = 43.3 m/s^2

The acceleration of gravity on the planet where the spaceship is located is 43.3m/s²

HOW TO CALCULATE ACCELERATION:

The acceleration due to gravity of a body can be calculated by dividing the weight of the body by the mass. That is:

acceleration (m/s²) = weight (N) ÷ mass (kg).

According to this question, a spaceship has a mass of 9000 kg but when launched from Earth to a distant planet, it has a weight of 390000 N. The acceleration of gravity is as follows:

Acceleration = 390000N ÷ 9000kg

Acceleration = 43.3m/s²

Therefore, the acceleration of gravity on the planet where the spaceship is located is 43.3m/s²

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What happens to the acceleration due to gravity as you move farther away from the center of the earth?

Answers

Answer:

there less and less gravity while your going farther and farther

What is the resultant of 5N force pointing north and 7N force pointing south? Do not forget include direction

Answers

Given forceF

1

=5N and F

2

=7N and θ=60

We know resultant force F=

5

2

+7

2

+2(5)(7)cos60

F=

25+49+35

F=

109

it's your answer

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