A bowling ball travels at 2.0 m/s. It has 16 J of kinetic energy. What is the mass of the bowling ball in kilograms?

Which of the following energy forms are invovled in a nuclear power plant ? heat ,sound , electrical , nuclear ,mechanical

An astronomer at the equator measures the doppler shift of sunlight at sunset. from this, she calculates that earth’s tangential velocity at the equator is 465 m/s. the centripetal acceleration at the equator is 3.41  10 2 m/s 2 . use this data to calculate earth’s radius.

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star