Energy that is the total of the kinetic energy and potential energy in an object or group of object is called what?

What is the unit for power

If the atomic radius of lead is 0.175 nm, calculate the volume of its unit cell in cubic meters.

Which one of these can be classified as an animal A) Bacteria B) Yeast C) Protozoan

A water skier is pulled by a boat traveling with a constant velocity. Which one of the following statements is false concerning this situation? A. The net vertical force on the skier is zero newtons. B. The net acceleration of the skier is zero m/s2.

An airplane flies with a velocity of 55.0 m/s [35o N of W] with respect to the air (this is known as air speed). If the velocity of the airplane according to an observer on the ground is 40.0 m/s [53o N of W], what was the wind velocity?

Cual es el peso de 5L de un fluido que tiene una densidad 3.5 veces mayor que la del agua?

A flask containing neon gas is connected to an open-ended mercury manometer. The open end is exposed to the atmosphere, where the prevailing pressure is 745 torr. The mercury level in the open arm is 50.

1. f= 2. v= 3. 2 = 4. T= 8 m/s 8 sec 8 Hz 8 m Match the letters with the measurements

A skier speeds down a smooth ski slope which is at an angle of θ = 23° with the horizontal. The mass of the skier is 71 kg. Take the downhill direction to be positive and uphill to be negative.

An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 10.0 m/s in 3.30 s.