What is the meaning of lightyear?

What skills do you need to play soccer?

The relative density of oak wood is 0.64. find the density in the cgs system

A Ferris wheel is a vertical, circular amusement ride with radius 7 m. Riders sit on seats that swivel to remain horizontal. The Ferris wheel rotates at a constant rate, going around once in 7 s. Consider a rider whose mass is 52 kg.

What is the gravitational potential energy of a 2.5kg object that is 300m above the surface of the earth? g=10m/s

An electrician is creating a wiring plan for a small house. He needs to create a plan that will allow the homeowners to turn off lights in one room without turning the light off the lights in another what should he do to assure that each room's

jason hits a baseball off a tee toward right field. the ball has a horizontal velocity of 10 m/s and lands 5 meters from the tee. what is the height of the tee? show your work, including formula (s) and units.

What is the average amount of energy of motion in the particles of a substance

A race car is traveling at 76 m/s when it slows down at 9 m/s^2 for 4 seconds. What is his new velocity

Humpty Dumpty (12 kg) sat on a wall (2 m high). What was his potential energy, before his great fall? A. 235.2 J B. 235.2 N C. 24 J D. 246.1 W

Explain how we were able to boil water at room temperature