A 1776 kg car has a speed of 10.3 m/s when it hits a tree. the tree doesn't move and the car comes to rest. find the change in kinetic energy of the car. answer in units of j.

Explain when the median of a data set is a better measure of the center than the mean

A manufacturer provides a warranty against failure of a carbon steel product within the first 30 days after sale. Out of 1000 sold, 10 were found to have failed by corrosion during the warranty period.

Would you rather have a water ballon dropped on you from 1 meter above you or from 3 meters above you

Which best identifies the requirements for work to be performed? an object that has a force acting on it an object that is moving and has no net force a force acting on a motionless object a force that moves an object

How far will an object move in 7 s if its average speed during that time is 40 m/s? answer in units of m?

When a fork is placed in a hot piece of lasagna, thermal energy is transferred up the fork by ...

Levi observed properties of four different waves and recorded observations about each one in his chart.

A rocket is shot straight up from the earth, with a net acceleration (acceleration by the rocket engine minus gravitational pullback) of during the initial stage of flight until the engine cut out at sec.

Which moon has a thick atmosphere made mostly of nitrogen?

J. J Thompson proposed that atoms were made up of positively charged particles with electrons scattered into them. How did he reach this conclusion?