What is the efficiency of the

machine if the input is 263 J and

the output is 142 J?

A transverse wave is shown. What is the amplitude of this wave? 1.3 cm 2.1 cm 2.6 cm 4.2 cm

How much kinetic energy does a 6 kg cart have when moving at 4 m/s?

What are some similarities and differences between physical and chemical weathering

The transfer of heat by direct contact is called?

Ways that industry and agriculture use physical properties to separate substances

Which of the two resistors dissipates the larger amount of power?

Three students derive the following equations in which x refers to distance traveled, v the speed, a the acceleration (m/s^2), and t the time, and the subscript (0) means a quantity at time t=0: a) x=vt^2 + 2at, b) x=v0t+1/2at^2, and c) x=v0t+2at^2.

Which is a use of fiber optics?

When a positively charged conductor touches a neutral conductor, the neutral conductor will:

Definition of the rule E=mc^2