Why are microwave used for radar navigation system in aircraft?

Why is law of conservation of momentum important?

You are on a school bus driving north at 20 m/s. You walk toward the back of the bus with a velocity of 6 m/s. What is your velocity relative to the road? A. 6 m/s south B. 14 m/s north C. 20 m/s north D. 26 m/s north

What is a chemical energy

Describe the wave motion and mechanical wave movement of a seismic P wave 20 pts

The lowest note on the piano has the longest string to vibrate. How does the lowest note compare if you consider the column of air that is vibrating in test tubes or bottles?

Velocity is: а - speed and direction. b - distance divided by time. c - always the same as speed. distance multiplied by time. d - distance multiplied by time

The gauge pressure in each of the four tires of an automobile is 230 kpa. if each tire has a "footprint" of 180 cm2 (area touching the ground), determine the mass of the car.

A bus travels 20 KM and 30 minutes what is average speed of the bus

What is the total number of atoms in the following formula? CaBr2

A lifeguard on a beach observes that waves have a speed of 7 m/s and a distance of 4.6m between wave crests. what is the period of the wave motion?