Asteroids move much slower and less frequently than stars.

a. True

b. False

A 30 kg child sitting 5.0 m from the center of a merry-go-round has a constant speed of 5.0 m/s. while she remains seated in the same spot and travels in a circle, the work the seat performs on her in one complete rotation is

If a laptop of mass 1.4 kg is lifted to a table of height 0.8 m, how much gravitational potential energy is added to the laptop?

These items are made from synthetic materials. Identify the property (or properties) associated with each material. brittle (shatters into many pieces) conducts heatinsulates from heat

Which has more interia, a car with mass of 900 kg or a car with with a mass of 1500 kg? Explain your answer

The gravitational force between the Sun (mass = 1.99 * 1030 kg) and Mercury (mass = 3.30 * 1023 kg) is 8.99 * 1021 N. How far is Mercury from the Sun?

A painter lifts a 3 kg can of paint 3 m above the floor. How much work was done?

Under what conditions is energy conserved

To practice problem-solving strategy 5.2 dynamics problems. a 30.0-kg box is being pulled across a carpeted floor by a horizontal force of 230 n, against a friction force of 210 n. what is the acceleration of the box

What are the processes in which materials move through a cell membrane?

A cylindrical gaussian surface surrounds an infinite line of charge. the flux φe through the two flat ends of the cylinder is