Judy (62 kg) is again riding a roller coast and enters the bottom of a dip with a radius of curvature of 11.0 m. at the bottom of the dip, she is traveling with a speed of 19 m/s. what is the net force acting on judys body?

In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space. b. we'll know it immediately because it will be brighter than the full moon in the sky. c. we won't know about it until 600 years from now. d. none of the above.

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?