Without changing the force input, how can force output be increased?

What is Conservation Momentum

A mass hangs on the end of a massless rope. The pendulum is held horizontal and released from rest. When the mass reaches the bottom of its path it is moving at a speed v = 2.4 m/s and the tension in the rope is T = 14.9 N.

What are earths two internal sources of heat energy?

When a star is moving away from us, the observed frequencies of light are lower than the actual frequencies. this illustration of the doppler effect is called?

What is a variable? O A. A summary of another scientist's work O B. An educated guess about the outcome of an experiment O C. Something that can change during an experiment O D. The analysis of the results of an experiment

You are standing against the wall near a corner of a large building. A friend is standing against the wall that is around the corner from you. You can't see your friend. How is it that you can hear her when she talks to you?

What is general relativity in easy terms?

Temperature and volume are directly or inversely

My Notes A basketball rolls across a classroom floor without slipping, with its center of mass moving at a certain speed. A block of ice of the same mass is set sliding across the floor with the same speed along a parallel line.

How does sound travel through waves?