How do i round decimals in physics.

Which could cause a satellite to descend low enough that it burns up in the Earths atmosphere? A. Centripetal force B. Air resistance C. Gravitational force

You pull down on a rope to raise a flag on a flag pole which describes why the rope and the flag pole act as a machine A-they change the direction of the forces B-they increase the distance over which the force acts C - they decrease the distance

How can you reverse a physical change?

Classify the objects as being magnetic or nonmagnetic. wooden table steel tank glass marbles iron ball nickel hinge silver medal

If you stand next to a wall on a frictionless skateboard and push the wall with a force of 50 N, how hard does the wall push on you? Express your answer to two significant figures and include the appropriate units.

What are the three properties of gravitational force between two objects?

One student did an experiment with salt water. The steps of the experiment are shown below. Pour half a cup of salt water into a pan. Keep the pan outside in the sun for a day. Allow all the water in the pan to evaporate.

The Wilson cloud chamber is used to study

Determine the horizontal and vertical components of a vector with a magnitude of 50 and a direction of 42° relative to the horizontal.

Newton's second law states that the force produced by a moving object depends on its mass and acceleration. Which is an example of this? A.