It's the number of protons that are in an element
Answer:
K = 202.5 J
Explanation:
Given that,
Mass of pie is 5 kg
Velocity of pie is 9 m/s
We need to find the kinetic energy of a pie. The kinetic energy of an object is due to its motion. It can be given by the formula as follows :

So, the kinetic energy of the pie is 202.5 J.
The component of force which is parallel to the
path of the motion is 10N * cos25 = 9.06 N <span>
This component is the only "effective" force, and
it is the one doing work.
Work = force * distance </span>
Work = 9.06 N * 30 m
<span>Work = 2.7×10^2 J</span>