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Scilla [17]
2 years ago
8

Explain Energy Transformation using the image below and how the Law of Conservation of Energy is maintained.

Physics
1 answer:
Karolina [17]2 years ago
8 0

The chemical energy of petrol is converted to heat energy on combustion. The heat energy is converted to kinetic energy by the use of internal combustion engines in vehicles. The law of conservation of energy is maintained in each process.

<h3>What is kinetic energy?</h3>

The kinetic energy of an object is associated with its motion. It can be related to the mass and velocity as

K.E = 1/2 mv²

Given is a diagram of energy conversion due to combustion.

The chemical energy of petrol is converted to heat energy on combustion. The heat energy is converted to kinetic energy by the use of internal combustion engines in vehicles.

The law of conservation of energy states that the energy can neither be created nor destroyed. It can be only converted to one form to the other.

In the given process, the mass decreases but energy remains the same in all forms of energy.

Hence, the law of conservation of energy is maintained in each process

Learn more about kinetic energy.

brainly.com/question/12669551

#SPJ1

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If i throw up an object up at 31 m/s, how long will it take to get to its highest point
Andreas93 [3]

Answer:

Explanation:

vf=vi+at

vf=31 m/s

vi=0 m/s

a=g=9.8 m/s2

t=?

vf-vi=at

vf-vi/a=t

t=vf-vi/a

t=31 m/s-0/9.8

t=3.16 s

4 0
3 years ago
List the characteristics properties of all waves. at what speed do electromagnetic waves travel in a vacuum
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All electromagnetic waves travel at

299,792,458 meters per second

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7 0
3 years ago
It takes Serina 0.25 hours to drive to school. Her route is 16 km long. What is Serina’s average speed on her drive to school?
tankabanditka [31]

Answer:

17.78 m/s

Explanation:

Average speed is found by simply dividing the distance travelled by the time that it took to finish the trip. It's measured in meters per second (m/s), so first convert the quantities.

1 km = 1000 m, so 16 km is 16000 m

0.25 hours is 15 minutes. Since 1 minute is 60 seconds, then 15 minutes must be 900 seconds.

Thus:

average speed = total distance/total time = 16000 m / 900 s = 17.78 m/s

Hope this helps!

Brainliest please!

5 0
3 years ago
A car of mass 1000.0 kg is traveling along a level road at 100.0 km/h when its brakes are applied. Calculate the stopping distan
Lunna [17]

Answer:

s=78.7352\ m

Explanation:

Given:

  • mass of car, m=1000\ kg
  • initial velocity of car, u=100\ km.hr^{-1}=27.78\ m.s^{-1}
  • coefficient of kinetic friction, \mu=0.5

<u>Now the kinetic frictional force:</u>

f=\mu.N

where:

N= normal force of reaction by the ground on the car, which is equal to the weight of the car

f=0.5\times (1000\times 9.8)

f=4900\  N

<u>Therefore the acceleration of the car due to frictional force:</u>

a=\frac{f}{m}

a=\frac{4900}{1000}

a=-4.9\ m.s^{-1}

<u>Now the stopping distance:</u>

v^2=u^2+2a.s

0^2=27.78^2+2\times (-4.9)\times s

s=78.7352\ m

7 0
3 years ago
What is the wavelength of the sound wave that has a frequency of 340 hertz
hichkok12 [17]

Answer:

there it is fella tried on ma own consciousness

5 0
3 years ago
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