The formula to calculate kinetic energy is:
Kinetic Energy = 1/2 * mass * velocity^2
Given:
Mass = 4 kg
Velocity = 10 m/s
Plugging in the values:
Kinetic Energy = 1/2 * 4 kg * (10 m/s)^2
Kinetic Energy = 1/2 * 4 kg * 100 m^2/s^2
Kinetic Energy = 1/2 * 400 kg*m^2/s^2
Kinetic Energy = 200 J
Therefore, the kinetic energy of the 4 kg rock rolling at 10 m/s is 200 Joules.
a 4 kg rock is rolling 10 m/s. find its kinetic energy
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