Newton's first law states that an object in motion tends to. An object a rest tends to

A 13 g bullet traveling 213 m/s penetrates a 2.0 kg block of wood and emerges cleanly at 152m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges?

The atmosphere of the moon is made up of what gases? Hydrogen and helium Oxygen and nitrogen Carbon dioxide and oxygen The moon has no atmosphere

How is biodiversity related to biosphere?

All the interconnected paths of energy flowing from species to species in an ecosystem is called a a. trophic level. b. food chain. c. detrital food web. d. food web.

A skydiver of mass 113kg falls straight down. If air resistance exerts 660 N of force on him as he falls, what is the net force on the skydiver? a. 1107 N down b. 447 N down c. 1767 N down d. 660 N down

A Blu-ray disc is approximately 11 centimeters in diameter. The drive motor of a Blu-ray player is able to rotate up to 10,000 revolutions per minute. (a) Find the maximum angular speed (in radians per second) of a Blu-ray disc as it rotates

A body has translatory motion if it moves along a

What is Nothing. (sorry i have been wondering this for a very long time)

What is the weight of a 15kg dog on earth?

Identify the scenario below as to whether they increase, decrease, or not change the frequency in which a string vibrates and thus change its pitch. Assume that no other changes are happening. 1. Tightening a string for greater tension 2.