What is a charestic of an electromagnetic wave?

Two people are rowing a boat at a speed of 9 m/s. in 3 seconds, they dock the boat at a pier. what is the boatâs acceleration?

How do I find the Static Friction of an object?

What did J. J. Thomson observe when he applied electric voltage to a cathode ray tube in his famous experiment? The stream of cathode ray particles was moving very slowly. The glass opposite of the negative electrode started to glow.

1. You are in a car at a stop sign. The car accelerates from 0 to 45 mph in 4 seconds. What is your car's acceleration?

Which of the following is a U. S. unit of measure A. Meter B. Liter C. Kilogram D. Foot

Critical thinking! Applying Concepts A desk exerts an upward force to support a computer resting on it. Does this force do work? Explain.

When an inclined plane is used, A. the mechanical advantage increases as the height increases. B. a smaller force is exerted over a longer distance. C. a negative mechanical advantage can result. D. a greater force is exerted over a shorter distance

A 4-kg cat is resting on a bookshelf that is 3m high. What is the cats gravitational potential energy relative to the floor if the acceleration due to gravity is 9.8m/s squared

If a 100 N net force act on a 50-kg car, what will the acceleration be

According to the modern classification system, which list is written correctly from least specific to most specific?