Are the reflection and refraction of light color dependent?

Can an object be in motion and not in motion at the same time? Explain.

An upward force is applied to a 6.0-kilogram box. This force displaces the box upward by 10.00 meters. What is the work done by the force on the box?

An Archer shoots an arrow horizontally at 250 feet per second. The bullseye on the target and the arrow are initially at the same height.

How should Delana figure out how much power is needed to do 462 joules of work in 9.61 seconds?

A student is preforming an experiment comparing sound and light waves. The student gathers the following data. What conclusion does the student most likely make based on this data?

A football travels 25 m in 2.5 seconds. What is the speed of the football?

A 25 kg ball is thrown into the air when thrown it's going 10 m/s calculate how high it travels

As part of a circus performance, a man is attempting to throw a dart into an apple which is dropped from an overhead platform. Upon release of the apple, the man has a reflex delay of 215 milliseconds before throwing the dart.

A train travels 90 kilometers in 1 hour, and then 82 kilometers in 5 hours. What is it's average speed?

3. A hydraulic lift is used to jack a 950-kg car 45 cm off the floor. The diameter of the output piston is 23 cm, and the input force is 375 N. a. What is the area of the input piston? (10pts) b.