A 3.8 kg object to is lifted 12 meters. approximately how much work is performed during lifing? A) 45.6 J B) 588 J C) 466.9J D) 372.4 J

The force that one massive object excerts to attract another object is called

A uniform disk of radius 0.2 m and mass m = 16 kg is mounted on a nearly frictionless axle. A string is wrapped tightly around the disk and pulled with a constant force of F = 1 N. After a while the disk has reached an angular speed of!0 = 1.2 rad/s.

In an isolated system, bicycle 1 and bicycle 2, each with a mass of 30 kg, collide. bicycle 1 was moving to the right at 2 m/s, while bicycle 2 was moving to the left at 4 m/s. what is the magnitude of their combined momentum before the crash?

What happens in this circuit if one of the light bulbs is unscrewed?

A ball is thrown horizontally from the top of a 65 m building and lands 115 m from the base of the building.

Explain why the friction force between two surfaces increases if the force is pushing the surfaces together increases.

As energy moves in waves through the water, the water moves a. in waves toward shore. c. in the direction of the waves. b. in a small circular movement. d. against the current.

Which of the following values represents an index of refraction of an actual material? A. 0 B. 1 / 4 C. 5 / 4 D. 1 / 2

Which statement best describes the effect of scientific advances on society? A. They always have a positive impact on society. B. They are inspired by the needs of society. C. they do not affect society beyond the community level. D.

Which way does wind blow, A. horizontally, B. Only from east to west, C. Only from West to east, D. vertically