If you lift a seven pound object 54 inches how many joules of energy did you use?

Explain how longitudinal waves and transverse waves are similar to each other and different from each other.

The gravitational force between two asteroids is 6.2 * 10^8 N. Asteroid Y has three times the mass of asteroid Z. If the distance between the asteroids is 2100 kilometers, what is the mass of asteroid Y? 3.7 * 10^15 kg 1.1 * 10^16 kg 1.

The top walking speed of a fly is 1 cm/s. How far can a fly crawling on the ceiling travel in 6 seconds? A. 1 centimeter B. 1 second C. 6 centimeters D. 6 seconds

Which of the following exists around every object that has mass? a) eletric charges b) magnetic field c) magnetic poles d) a gravitational fild

The strong nuclear force holds together which two particles in an atom?

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?