Write S if the given quantity is scalar and V if the quantity is a vector

_100° Celsius
_50 m/s²
_300 s
_250 m/s, northwest
_1m, to the right
_10 cm,upwards
_525 600 mins.
_90 km/h,east
_5 000 kg
_1.5 L

Answers

Answer 1

Answer:

1. Scalar_100° Celsius

2. Vector_50 m/s²

3. Scalar_300 s

4. Vector_250 m/s, northwest

5. Vector_1m, to the right

6. Vector_10 cm, upwards

7. Scalar_525 600 mins.

8. Vector_90 km/h,east

8. Scalar_5 000 kg

10. Scalar_1.5 L

Explanation:

A scalar quantity can be defined as a quantity that has magnitude but no direction. Some examples of scalar quantities are speed, mass, temperature, volume, length, etc.

On the other hand, a vector quantity has both magnitude and direction. Some examples of vector quantities are acceleration, velocity, displacement, etc.

1. Scalar_100° Celsius (Temperature).

2. Vector_50 m/s² (Acceleration).

3. Scalar_300 s (Time).

4. Vector_250 m/s, northwest (Velocity).

5. Vector_1m, to the right (Displacement).

6. Vector_10 cm, upwards (Displacement).

7. Scalar_525 600 mins. (Time).

8. Vector_90 km/h,east (Velocity).

8. Scalar_5 000 kg (Mass).

10. Scalar_1.5 L (Volume).


Related Questions

A box of mass 5.0 kg is initially at rest. A 500 N force causes it to move horizontally through a
distance of 12.00 m. How much work would there be?

Answers

Answer:

Workdone = 6000Nm

Explanation:

Given the following data;

Mass = 5kg

Force = 500N

Distance = 12m

To find the work done;

Workdone = force * distance

Workdone = 500 * 12

Workdone = 6000Nm

the driver of the bus brought the students to the playground and returned to the garage on the same road when the bus engine was doing more work: A when the students were driving: B when they returned to the garage, explain why

Answers

Answer: A driver must not drive a vehicle at such a slow speed ... When driving under adverse weather, road or traffic ... before the school bus stops to pick up or let off students

Explanation:

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is a rare disorder that includes the inability to feel pain.
A. Somatoform pain disorder
B. Congenital analgesia
C. Kinesthesis
D. Anesthesia
Please select the best answer from the choices provided
Ο Ο Ο
B.
D

Answers

The rare disorder that includes the inability to feel pain is called Congenital analgesia. That is option B.

What is Congenital analgesia?

Congenital analgesia is defined as ,the name implies, a genetic disorder that rarely occurs which makes one not to be able to feel pain.

It is an autosomal recessive disorder in which there is genetic changes in the PMRD12 gene.

Therefore, the rare disorder that includes the inability to feel pain is called Congenital analgesia.

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A body vibrates 100 times in 20 seconds. Find its frequency and time period.
plz answer this its urgent

Answers

Answer:

Vibrates 5 times  a / every second

Explanation:

From an apple tree 2 metres high, a 100g mass apple fell of the tree, what work did it do?

Answers

Answer:

When an apple falls from the tree to the ground, its energy of position (stored as gravitational potential energy) is converted to kinetic energy, the energy of motion, as it falls. When the apple hits the ground, kinetic energy is transformed into heat energy.

An ohm is best described as a unit of measure for...



A. electrical resistance


B. electrical current


C. electrical potential difference


D. magnetic field strength

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The answears is b :))

rock at the edge of a cliff has kinetic energy because of its position.
True
False

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its false rock is at edge

Skyscrapers are made of concrete and glass, concrete and glass are made of sand,so that makes skyscrapers giant sandcastles. Change my mind

Answers

Awnswer:

what are the answer chosices

Explanation:

Your a genius this make so much sense

How are clouds related to water vapor and water droplets?


A.Water vapor in the air condenses to form tiny water droplets, and these water droplets make up clouds.

B.Water vapor in the air makes up clouds, but water vapor does not condense to form tiny water droplets that make up clouds.

C.Water vapor in the air condenses to form tiny water droplets, but the water vapor and water droplets do not make up clouds.

D.Water vapor in the air stays in the air as water vapor. The water vapor does not make up clouds, and it does not condense to form tiny water droplets.

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Answer:

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how can understanding velocity help to prevent a mid-air collision

Answers

Answer:

To maintain enough time to prevent a collision, a system operating in air traffic where aircraft speed does not

fall below 100 km/h (most medium-sized UAVs and GA aircraft) will need to be able to detect obstacles which

subtend an arc-width of as small as 0.125 mra

pulling a 15 kg mass from a bucket from a depth of 6 meters well a man shook 20 sec what was his power

Answers

Answer:

power=44.1 watts

Hope it helped

PLS mark BRAINLIEST

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Answers

Adjust the height of the wooden rod so that it just touches the surface of the water. Switch on the lamp and motor and adjust the speed of the motor until low frequency waves can be clearly observed... Count the number of waves passing a point in ten seconds then Divide by ten to record frequency.

A book is sitting on a table. Which of the following is true about the table? O A. It is pushing up on the book. O B. It exerts no force on the book at all. O C. It is pulling down on the book. D. It can affect the mass of the book.​

Answers

Answer:

yes it does exert a force, it pushes it up

Explanation:

this is called normal force

if it didn't exert a force the book would keep going down

according to newton every force has an equal amd opposite reaction

so the book exerts a force on the table and vice versa

hope this helped

what is Schwartzchild radius??
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Answers

Answer:

Schwarzschild radius is the radius of the boundary of a hole of this type.

Which of the following describes a change in energy that occurs as an acorn falls from a tree toward the ground

Answers

the last one which is D

As an acorn falls from a tree toward the ground, gravitational potential energy is converted into kinetic energy.

To find the correct option among all the options, we need to know about the conversation of energy.

How are the gravitational potential energy and kinetic energy defined near the earth surface?Near the earth surface, the gravitational potential energy is given as mass×g×height from the earth surface.Kinetic energy is given as 1/2×mass×velocity².How are the gravitational potential energy and kinetic energy converted when acorn falls from a tree?When an acorn is going to fall, it is at maximum height of its journey, so it has maximum gravitational potential energy.Also, at that time, its kinetic energy is zero as it's at rest.But when it moves down, its potential energy decreases as the height decreases and kinetic energy increases due to increasing velocity. So that its total mechanical energy is conserved.

Thus, we can conclude that option (d) is correct.

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14. Saeed is pulling a 6 kg heavy rock with an upward force of 40 N but does not succeed to lift it up. What is the magnitude of the normal force on the rock?

Answers

Answer:

58.8 N

Explanation:

The normal force is calculated as equal to the perpendicular component of the gravitational force.

Thus; N = mg

We are given m = 6 kg

Thus;

N = 6 × 9.8

N = 58.8 N

Thus, magnitude of normal force on the rock = 58.8 N

A rocket sled accelerates forward from 10 m/s to 50 m/s in 2 seconds. What is the acceleration of the sled?​

Answers

Answer:

Explanation:

Use kinematics equations

You have Vi=10m/s and Vf=50m/s and t=2s

Use equation Vf=Vo+at      50=10+a(2)

50=10+2a

40=2a

a=20 m/s^2

Why does the first row in our periodic table
only have two elements?

A) because each orbital in every sub-level only holds
two electrons

B) because Bohr only knew about two elements

C) because the first energy level only holds two
electrons total
Help me plssss

Answers

Answer:

B

Explanation:

♡ ∩_∩

(„• ֊ •„)♡

┏━∪∪━━━━┓

   Hopes this helps

 ♡ good luck 。 ♡

┗━━━━━━━┛

Answer:

C option is correct

Explanation:

C) because the first energy level only holds two electrons.

There is a small hole of radius r in a hollow sphere, which is immersed in a liquid. Upto what maximum depth it can be immersed so that liquid may not enter in it? Density of liquid is d and surface tension is T.

Answers

Answer:

h = 4T/dgr

Explanation:

Using Laplace law for spherical bubble, the pressure difference P'- P = 4T/r where T = surface tension and r = radius of sphere.

Now, the pressure difference on the hollow sphere P' - P = dgh where d = density of liquid, g = acceleration due to gravity and h = maximum depth to which sphere must be immersed.  

So dgh = 4T/r

h = 4T/dgr

The Berlin marathon is one of the fastest marathons courses; many world records have been set there. In 2014 Dennis Kimetto ran the 42.195 km in 2 hours, 2 minutes and 5 seconds. what was his average speed?

Answers

Answer:

about 2000 klm per min

Explanation:

Think of one obstacle that you know YOU CAN, YOU WILL, & YOU MUST overcome.

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Answer:

myself tbh

Explanation:

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Answer: Depression and myself, love life

Hope this helps have a awesome day❤️✨

Explanation:

A mass sitting on a horizontal, frictional surface is attached to one end of a spring; the other end is fixed to a wall. 3.0 J of
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compresses a maximum acceleration of 15 m/s?.

a) Determine the spring constant.
b) Determine the mass.
d) What is the velocity when the mass reaches maximum acceleration?
c) Deterinine the net force when the mass passes 0.10m compression
d) Determine the acceleration when the mass passes 0.10m compression.
e) Determine the velocity when the mass passes 0.10m compression

Answers

Answer:

I started answering this before everything was erases, but briefly

W = 1/2 K x^2     so K = 2 W / x^2 = 6 * 25 = 150

Also F = - K X = 150 * 1/5 = 30 N at max extension

m = F / a = 30 /15 = 2 kg

Since max extension occurs at t = 0 you can write

x = A sin ω t

v = ω A cos ω t

a = -ω^2 A sin ω t            note that there is no phase angle here

Also at .1 compression

.1 = .2 sin ω t     and sin ω t = 1/2    and ω t = 30 deg = pi / 6

Substiture these values above to get velocity and acceleration when

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Why sound waves are called mechanical waves ​

Answers

Answer:

Because they travel by interacting within other particles.  

Explanation:

Sound cannot travel in a vacuum, sound waves need to interact with other particles in order to be carried and this makes sound waves a mechanical wave.

difference between sold and liquid​

Answers

Explanation:

Solids have closely packed particles and vibrate about a fixed position, they also have a fixed volume.

liquid have close particles but which are able to move with a bit of kinetic energy, for this reason they have no fixed volume but take the volume of the container or vessel

A 55 kg boy is riding a skateboard at a speed of 1.0 m/s. What is his
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Answers

Answer:

27.5

Explanation:

KE=1/2m(v)^2

A washing machine spin dries clothes. It starts spinning at 20 rad/s and slows down to 8 rad/s while turning through 500 revolutions.
a. What is the angular acceleration?
b. How much time does it take to slow down?

Answers

Answer:

i do not know man

Explanation:

lol

The angular acceleration of the washing machine spin is 53.5 x 10⁻³.

What is meant by angular acceleration ?

Angular acceleration is defined as the time rate of change of angular velocity in a circular motion.

Here,

Initial angular velocity, ω₁ = 20 rad/s

Final angular velocity, ω₂ = 8 rad/s

Angular displacement, θ = 2[tex]\pi[/tex] x no. of revolutions

θ = 2[tex]\pi[/tex] x 500 = 1000[tex]\pi[/tex]

a) Using the equation of circular motion,

ω₂² - ω₁² = 2αθ

Therefore, the angular acceleration,

α = (ω₂² - ω₁²)/2θ

α = (20² - 8²)/2 x 1000[tex]\pi[/tex]

α = 53.5 x 10⁻³ rad/s²

b) Time taken by the machine spin to slow down,

t = (ω₂ - ω₁)/α

t = (20 - 8)/53.5 x 10⁻³

t = 224.2 s

Hence,

a) The angular acceleration of the washing machine spin is 53.5 x 10⁻³.

b) Time taken by the washing machine spin to slow down is 224.2 s.

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Elements with positive valences usually ______ electrons
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Answers

The answer is donate, therefore elements with positive valences usually donate electrons

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Answers

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a) follow through when hitting the ball
b) increase the force acting on it
c) increase the time of contact with the ball
d) swing as hard as possible
f) All of the above

Answers

Answer:

option f) all of the above

We will see that all of the given options would increase the momentum, so the correct option is f "all of the above"

How to increase the momentum?

Momentum is defined as the amount of motion, and it is given by:

P = m*v

Where m is the mass of the object and v is the velocity.

We can't change the mass of the golf ball, but we can change the velocity, and to do it, we need to increase the acceleration that we apply to the ball.

To increase the acceleration we can:

follow through when hitting the ball (the force is applied for more time, so the acceleration is larger).increase the force acting on it (it directly increases the acceleration).increase the time of contact with the ball (similar to the first option).swing as hard as possible (similar to the second option).

Then all the options are correct, which means that the correct option is f.

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HELP PLEASE

44. Two wave pulses are traveling along a string
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below.

(D is interference)

Answers

The phenomenon of interference occurs when two wave pulses are traveling along a string toward each other. Option D is correct.

What is the interference of waves?

The result of two or more wave trains flowing in opposite directions on a crossing or coinciding pathways. This phenomenon is known as the interference of waves.

The effect is the sum of the individual wave amplitudes at each site where more than one wave is present.

When two wave pulses are traveling along a string toward each other. They meet and the phenomenon is occur known as interference.

Hence the phenomenon of interference occurs when two wave pulses are traveling along a string toward each other.

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