The answer is Nuclear Fusion. The sun emits energy by converting hydrogen into helium. Nuclear fusion does two things, it converts hydrogen into helium and it also converts mass to energy.
Answer:
a. at either A or B
Explanation:
Kinetic energy may be defined as the energy of the system or an object which is due to its velocity of the object it possess.
In the context, an object having mass is attached to spring which is vertical and the object moves up and down due to spring effect between points A and B. Now these points A and B are the extreme points after which the object bounces back.
At point A and B, the velocity of the object becomes zero and hence the kinetic energy of a body varies directly proportional to its velocity.
i.e. Kinetic energy
Answer:
Increase in total energy will be equal to the increase in the internal energy i.e
Joules
Explanation:
Given
Weight of sledge hammer
kilogram
Speed of sledge hammer
meter per second
Kinetic energy is equal to half the product of mass and velocity square

Substituting the value of mass and velocity, we get -

It is given that one fourth of the energy is converted into internal energy
One fourth of kinetic energy is equal to

Increase in total energy will be equal to the increase in the internal energy i.e
Joules
Answer:
<em>P=mgh</em>
<em>P=mghm=55</em>
<em>P=mghm=55g=9.8 or ~10</em>
<em>P=mghm=55g=9.8 or ~10h=27</em>
Explanation:
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