What is tidal power?

If a train and a car are traveling at the same speed they have the same amount of kinetic energy? True or false

What did galileo discover in his legendary experiment on the leaning tower of pisa?

A 25 V battery is connected into a circuit with two resistors in series. One resistor has resistance 5.0 O and the other has resistance 7.5 O. What is the voltage drop across the 7.5 O resistor?

1. What is the Formula's for Kinetic and Potential Energy?

The bellow of a territorial bull hippopotamus is measured at 100 dB above the threshold of hearing. What is the sound intensity? Hint: The threshold of human hearing is I0 = 1.00 x 10-12 W/m2.

A lever allows a 35 N load to be lifted with a force of 7 N. What is the mechanical advantage of the lever?

A container of gas is at a pressure of 3.7 * 105 Pa How much work is done by the gas if its volume expands by 1.6 m3?

A person carries a mass of 10 kg and walks along the + x-axis for a distance of 100m with a constant velocity of 2 m/s. What is the work done by this person? A) 20 J B) None of the other choices is correct. C) 0 J D) 200 J

Uranus has more than 14 times as much mass as earth, yet the gravitational force is less. how can that be?

What is velocity-time graph?