Calculate the kinetic energy of a 4 kg object traveling at 16 m/s

Imagine that a machine enables you to do 100 joules of work with a force input of 20 newtons. Now imagine that a new machine is invented that lets you do the same amount of work with a force input of just 10 newtons.

Which of the following is not one of the six simple machines? inclined plane screw lever rope

Kerry Klutz drops her physics book off her aunt's high rise balcony. It hits the ground below 1.5 s later. How high is the balcony (ignore air drag).

What is meant by a charge carrier hole in a semiconductor? Can it be created in a conductor?

should be considered the daily driving limit. A. Six to eight hours B. Twenty-four hours C. No limit D. One hour

Which of the following is an example of an archery contestant showing good precision but poor accuracy? O A. Hitting a bulls-eye once and then missing a second time O B. Hitting a bulls-eye every time O C.

List and describe two ways currents affect life on earth

If a spring with a spring constant k = 10 N/m is stretched from its equilibrium position by 0.1 m, and released, what would be the maxi - mum kinetic energy at any time in its motion? Neglect friction. 1. 0.025 J 2. 0.1 J 3.

What can make a boat float

What would happen if the gravity on earth decreases by a small about?