Get expert insights and reliable answers to your questions on IDNLearn.com. Get accurate and detailed answers to your questions from our dedicated community members who are always ready to help.

a 4 kg rock is rolling 10 m/s find its kinetic energy

Sagot :

The answer is 200 J

The kinetic energy (KE) is:
KE = 1/2 m * v²
m - mass of the object
v - velocity of the object

We have:
m = 4 kg
v = 10 m/s

KE = 1/2 * 4 kg * 10² m/s
KE = 200 J