Question

A 0.25-g paint chip comes off a satellite
orbiting Earth. The velocity of the paint
chip is 7000 m/s. Which is the kinetic
energy of the paint chip?

Answer 1

Answer:

6125 J

Explanation:

Kinetic energy, $KE=0.5mv^{2}$ where m is the mass of the paint chip while v is the  velocity of the paint  chip. Substituting m with 0.25g= 0.00025 Kg while v is 7000 m/s then

$KE=0.5\times 0.00025\times 7000^{2}=6125 J$

Therefore, the kinetic energy is equivalent to 6125 J