Answer:
[tex]T_f=7.38^{\circ}[/tex]
Explanation:
Given that,
Mass, m = 5 kg
Initial temperature of water, [tex]T_i=5^{\circ} C[/tex]
Heat transferred, Q = 50 kJ = 50,000 J
The specific heat capacity of water is 4200 J/kg°C
We need to find the final temperature of the water. The heat transferred in the process is given by :
[tex]Q=mc\Delta T\\\\Q=mc(T_f-T_i)\\\\\dfrac{Q}{mc}+T_i=T_f\\\\T_f=\dfrac{50000}{5\times 4200}+5\\\\T_f=7.38^{\circ}[/tex]
So, the final temperature of water is [tex]7.38^{\circ}[/tex].
What is the net force of a scooter acting on the road with an impulse of 550 Ns for 10s.
Answer:
55N
Explanation:
Impulse is the product of Force and Time
Impulse = Force * Time
Given
Impulse = 550Ns
Time = 10s
Force = Impulse/Time
Force = 550/10
Force = 55N
Hence the net force on the scooter is 55N
Identify an example of conformity in your school or community. Tell what makes it an example of conformity.
Answer:
One example of conformity in my school is the wide obsession of designer clothes. Because famous people wear them kids think its cool and follow their actions.
Explanation:
Eating soda is used while cooking rice in the hotels ? why?
Answer:
because it helps to neutralize acid in our body.
simple machines are in a mousetrap
Answer:
A mousetrap makes use of a simple machine called a lever.
Explanation:
In a second-class lever the effort force is at the other end, with the load in the middle. In a third-class lever, the load is at the end and the effort force is between the fulcrum and the load. When you set the mousetrap, you are using a second-class lever. Sorry if I get this wrong. I am in 5th grade! ♥
What are the five possible difficulties associated with ADD/ADHD?
Answer:
my cousin got that and i would say that some challenges with adhd/add is behavioral issues, meaning they dont pay attention and some people with adhd can get depressed or have anxiety also Low self-esteem.
Poor grades.
also adhd is a disability
A refrigerator having a power rating of 350W operates for 12 hours a day. calculate the cost of electrical energy to operate it for 30 days. the rate of electrical energy is rs4.50 per kWh. calculate the minimum fuse rating to be put in the refrigerator circuit if the supply voltage is 240V.
Answer:
See the answers below.
Explanation:
The cost of energy can be calculated by multiplying each given value, a dimensional analysis must be taken into account in order to calculate the total value of the cost in Rs.
[tex]Cost=0.350[kW]*12[\frac{hr}{1day}]*30[days]*4.5[\frac{Rs}{kW*hr} ]=567[Rs][/tex]
The fuse can be calculated by knowing the amperage.
[tex]P=V*I[/tex]
where:
P = power = 350 [W]
V = voltage = 240 [V]
I = amperage [amp]
Now clearing I from the equation above:
[tex]I=P/V\\I=350/240\\I=1.458[amp][/tex]
The fuse should be larger than the current of the circuit, i.e. about 2 [amp]
Which process causes the transfer of energy by air currents within the Earth's atmosphere?
Answer:
Conduction, radiation and convection all play a role in moving heat between Earth's surface and the atmosphere. Since air is a poor conductor, most energy transfer by conduction occurs right near Earth's surface
What type of wave is this ?
Energy does / does not change the phase of matter.
Answer:
does
Explanation:
A bird is flying with a speed of 18.0 m/s over water when it accidentally drops a 2.00 kg fish. If the altitude of the bird is 5.40 m and friction is ignored, what is the kinetic energy of the fish when it hits the water?
How can the President check Congress' power to make law?
Group of answer choices. MUST PROVIDE EVEDENCE OR I WILL REPORT AND POINTS WOULD BE TAKEN AWAY
A. Congress can override the veto to get the law on health care passed.
B. The President can call a special session to extend Congress to get his law passed.
C. The President can approve or veto laws created by Congress.
D. The Congress can vote to 'ignore' the President's wishes.
Answer:
The President may veto bills Congress passes, but Congress may also override a veto by a two-thirds vote in both the Senate and the House of Representatives. Article I of the Constitution enumerates the powers of Congress and the specific areas in which it may legislate.
so its eaither A or C hope that helped sorry if a m wrong
Explanation:
PLEASE HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP I WILL GIVE BRAINLIST
The specific heat capacity of the liquid:
The latent heat of fusion
The specific heat capacity of the solid
The specific heat capacity of the vapor
The latent heat of vaporization
Answer:
For liquid at room temperature and pressure, the value of specific heat capacity (Cp) is approximately 4.2 J/g°C.
Explanation: This implies that it takes 4.2 joules of energy to raise 1 gram of water by 1 degree Celsius. This value for Cp is actually quite large. This (1 cal/g.
select one popular music either OPM or from other countries that you like most. a.why you like this music/song? b.What is the message/s of this song that affect you most? c.if you will be the writer of this song, will you change the title or not? why?
Answer:
my favourite song is hym to the sea. That song reminds me of the innocent people who lost their lives in titanic a century ago. If I was the writer of that song ,i would not change the title of that song because I can feel the sound of ocean when I listen to that song.
A boy kicks a football with a force of 420.0 N for a time of 22.3 s. What is the impulse and change in momentum?
Answer:
the impulse and change in momentum of the football is 18.83 N/s.
Explanation:
Given;
applied force, F = 420 N
time of force action, t = 22.3 s
The impulse and change in momentum of the football is calculated as;
J = ΔP = [tex]\frac{F}{t}[/tex]
where;
J is the impulse
ΔP is the change in momentum
J = ΔP = [tex]\frac{F}{t}= \frac{420}{22.3} = 18.83 \ N/s[/tex]
Therefore, the impulse and change in momentum of the football is 18.83 N/s.
KIIS FM broadcasts at 102.7 MHz, what is the wavelength of that radio wave?
Answer:
2.92 m
Explanation:
As we know, frequency × Wavelength = Speed of light
so here frequency of 102.7 MHz can be written as 102.7× 10⁶ Hz..
So Lambda (wavelength) = 3×10⁸/ 102.7 × 10⁶ which gives 2.92 metres or 2.92 × 10¹⁰ Å
what do you call ends of a magnet
Answer:
The end that faces the north is called the north-seeking pole, or north pole, of the magnet. The other end is called the south pole. When two magnets are brought together, the opposite poles will attract one another, but the like poles will repel one another.
Explanation:
I hope this helps and pls mark me brainliest :)
An object’s distance from a converging lens is 16.1 times the focal length.
How far is the image from the lens?
Answer in units of f .
Answer:Hey I just wanted to tell you that Jesus LOVES YOU SO MUCH He died on the cross for all your sins so you won’t have to suffer the consequences of your sin He paid for ALL OF IT! He loves you SO FREAKING MUCH like unconditionally... all you have to do is confess with your mouth and believe in your heart that Jesus is Lord and God raised Him from the dead 3 days later you will be saved ;)))))))) He wants an intimate relationship with you all you have to do is reach out to Him I love you AND ABOVE ALL JESUS LOVES YOU
Have a blessed day;))
Explanation:
can someone help me please
Answer:
time
Explanation:
Answer:
hour measure time so their for it is time
PLS ANSWER FAST WILL GIVE BRAINLEST!!!
If a 25kg car accelerates at a speed 100m/ s2 s2, what will the force of the car be?
Plug in the numbers: Force=mass x acceleration
Answer:
2500 Newtons
Explanation:
If force equals the mass × acceleration then all should be quite simple
25kg is the mass of your car
100 m/s/s is the acceleration of you car
25kg • 100m/s/s = 2500 Newtons
Answer:
[tex]\boxed {\boxed {\sf 2500 \ Newtons }}[/tex]
Explanation:
The formula for force is the product of mass and acceleration.
[tex]F=m*a[/tex]
The mass of the car is 25 kilograms and the acceleration is 100 meters per square second. So,
[tex]m= 25 \ kg \\a= 100 \ m/s^2[/tex]
Substitute the values into the formula.
[tex]F= 25 \ kg * 100 \ m/s^2[/tex]
Multiply.
[tex]F= 2500 \ kg*m/s^2[/tex]
1 kilogram meter per square second is equal to 1 NewtonOur answer of 2500 kg*m/s² is equal to 2500 Newtons[tex]F= 2500 \ N[/tex]
The force of the car is 2500 Newtons.
Which type of wave interaction is shown in the diagram?
wave A
MAAAAA
wave B
MAAAA
wave A + B
PAMA
A. Destructive interference
B. Diffraction subtraction
C. Diffraction gradient
D. Constructive interference
Answer: Constructive interference
Explanation: Just took the test
A negative charge of 0.198 C exerts an attractive force of 83,506 N on a second charge that is 3,004 m away. What is the magnitude of the second charge? ( solve for one of the charges)
Answer:
-606.73C
Explanation:
According to coulombs law
F = kq1q2/r^2
Substitute the given value
83,506 = 9*10^9(-0.198)q2/(3004)^2
83,506 = -1.242*10^9q2/9,024,016
-1.242*10^9q2 = 7.54*10^11
q2 = -7.54*10^11/1.242*10^9
q2 = -606.73C
hence the magnitude of the other charge is -606.73C
Comparing the Motion of Two Cars
Position vs Time
for Two Cars
D
Which statements describe the motion of car A and car
B? Check all that apply.
Car A and car B are both moving toward the origin.
Car A and car B are moving in opposite directions,
Car Ais moving faster than car B.
Car A and car B started at the same location.
Car A and car B are moving toward each other until
they cross over.
B
Position (m)
Time (s)
B, C, E
Hope this helps
describe three small changes that you can make to your current eating habits to support a healthier lifestyle.
Answer: Eat only when you're truly hungry instead of when you are tired, anxious, or feeling an emotion besides hunger.
Plan meals ahead of time to ensure that you eat a healthy well-balanced meal.
Keep more fruits, low-fat dairy products (low-fat milk and low-fat yogurt), vegetables, and whole-grain foods at home and at work.
Explanation:
Answer:
I know that some foods have a lot of sugar. I read online that I don’t need any more than 25 grams of added sugar a day. One kind of pop that I like to drink has 40 grams of sugar per can. I can start by drinking less pop. Next, I learned that some food makers are now putting nutrition keys on the front of their boxes. I love all kinds of breakfast cereal, so I can use the nutrition key to compare brands. Cereal high in fiber is good, but cereal high in sugar isn’t. I’ll be more careful, too, when ordering fast food. Sometimes fast-food places want to change the size of my order from medium to large for a higher price. From now on, I won’t pick the bigger meal. Picking the medium-sized meal should be better for me and can even save me money.
Explanation: Plato
28.5 g of iron shot is added to a graduated cylinder containing 45.50 mL of water. The water level rises to the 49.10 mL mark. From this information, calculate the density of iron.
Answer:
Density=mass/volume.
1) we have to calculate the iron volume in liters.
iron volume=second level - first level=49.10 ml-45.50 ml=3.6 ml
3.6 ml=3.6 ml(1 liter / 1000 ml)=0.0036 liters
2) we calculate the mass iron in kg.
28.5 g=28.5 g(1 kg /1000 g)=0.0285 kg.
2) we calculate the density of iron.
density=0.0285 kg / 0.0036 liters=7.92 kg/L
7.92 kg/l=7.92 kg/L(1000 g/1Kg)(1000 cm³/1 L)=7.92 g/cm³.
From this information the Iron density is 7.92 Kg/L or 7.92 g/cm³.
Explanation:
I hope this helps u! :D
Answer:
7.92 g/cm^3
Explanation:
1 mL = 1 cm^3
density = mass/volume
volume: 49.10 mL - 45.50 mL = 3.60 mL = 3.60 cm^3
mass: 28.5 g
density = (28.5 g)/(3.60 cm^3) = 7.91666... g/cm^3
Answer: 7.92 g/cm^3
A pole 10 m long lies on the ground next to a barn that is 8 m long. AN athlete picks up the pole, carries it far away and then runs with it towards the barn at speed 0.8c. The athlete's friend remains at rest, standing by the open door of the barn.
Answer:
okay
Explanation:
but what is the question here?
A trash compactor pushes down with a force of 500 N on a 3 cm2 input piston, causing a force of 30,000 N to crush the trash. What is the area of the output piston that crushes the trash
Answer:
[tex]180 cm^2[/tex]
Explanation:
We are given that
Force [tex]F_1=500 N[/tex]
[tex]A_1=3cm^2[/tex]
[tex]F_2=30000 N[/tex]
We have to find the area of the output piston that crushes the trash
Input piston=Output piston
We know that
[tex]Pressure=\frac{force}{Area}[/tex]
Using the formula
[tex]\frac{F_1}{A_1}=\frac{F_2}{A_2}[/tex]
Substitute the values
[tex]\frac{500}{3}=\frac{30000}{A_2}[/tex]
[tex]A_2=\frac{30000\times 3}{500}[/tex]
[tex]A_2=180 cm^2[/tex]
Hence, the area of the output piston that crushes the trash 180 square cm
A trash compactor pushes down with a force of 500 N on a 3 cm² input piston, causing a force of 30,000 N on a 180 cm² output piston.
In physics, the pressure (P) is the force (F) applied perpendicular to the surface of an object per unit area (A) over which that force is distributed.
[tex]P = \frac{F}{A}[/tex]
A trash compactor pushes down with a force of 500 N (F₁) on a 3 cm² (A₁) input piston, causing a force of 30,000 N (F₂) to crush the trash.
Since the pressure in both pistons is equal, we can use the previous expression to calculate the area of the output piston (A₂).
[tex]\frac{F_1}{A_1} = \frac{F_2}{A_2} \\\\A_2 = \frac{A_1 \times F_2}{F_1} = \frac{3cm^{2} \times 30,000N}{500N} = 180cm^{2}[/tex]
A trash compactor pushes down with a force of 500 N on a 3 cm² input piston, causing a force of 30,000 N on a 180 cm² output piston.
Learn more: https://brainly.com/question/23603188
examples for types of connective tissue
Plz it very important
Answer:
SPECIALISED CONNECTIVE TISSUES
dense regular connective tissue which is found in tendons and ligaments, and is shown below. ...
cartilage - (see the topic on bone and cartilage)
adipose tissue (see adipose cells)
haemopoietic tissue (bone marrow, lymphoid tissue)
blood (see the topic on blood)
Explanation:
hope you like my ans
Answer: Types of Connective Tissue
Cartilage. Cartilage is a type of supporting connective tissue.
ex:Hyaline cartilage, Hyaline cartilage, Elastic cartilage
Bone. Bone is another type of supporting connective tissue.
ex; Spongy bone, Compact bone
Adipose. Adipose is another type of supporting connective tissue that provides cushions and stores excess energy and fat.
Blood.
ex;Lymph
Hemapoetic/Lymphatic.
Elastic.
Fibrous
A cart at rest accelerates to a speed of 30 meters per second over a 3.0 second time interval. What is the average velocity of the cart during these 3.0 seconds? P.4B
Answer:
15 m/s
Explanation:
Given data
Initial velocity= 0m/s----------since the cart was at rest
Final velocity = 30m/s
time= 30 seconds
Required
the average speed
We know that the sum of the initial and final velocity is divided by 2 to find the average velocity
average velocity= 0+30/2
average velocity= 30/2
average velocity= 15 m/s
Hence the average velocity is 15 m/s
Which best describes how single-celled organisms are different from multi-celled organisms?
A.
A single-celled organism is more detailed and complex.
B.
A single-celled organism must perform all cellular functions.
С.
A single-celled organism must work with other cells to survive.
D.
A single-celled organism is specialized to perform one function.
Answer:
A single-called organism must perform all cellular functions on its own
Explanation:
i took the test
PLS ANSWER FAST WILL GIVE BRAINLYEST TIMED TEST!!!!
use the equation solving a= F divided by M
Also use metres per second squared [m/s2]
A Spring balance is used to launch a 0.05 kg foam ball with a force of 5N. What acceleration is produced?