Problem #1
Problem #1
A helicopter is hovering 1 km above the ground. A 15 kg panel breaks loose and drops to the ground. It hits the ground with a speed of 45 m/s. How much energy was lost to friction during the fall?
A helicopter is hovering 1 km above the ground. A 15 kg panel breaks loose and drops to the ground. It hits the ground with a speed of 45 m/s. How much energy was lost to friction during the fall?