A certain planet has an escape speed. If another planet has twice size and twice the mass of the first planet, its escape speed will be

A) Sqrt[2] V

B) V

C) V/2

D) V/Sqrt[2]

E) 2V

What happens whenever a net force acts on an object?

Mr. maxwell, an english teacher, thinks all the sudents in the class who play sports are lazy

Why is coal considered a nonrenewable resource? Check all that apply. 1. Coal is burned to generate electricity. 2. Coal power plants give off large quantities of smoke and ash. 3. Coal forms so slowly that we could use up the supply that exists now.

Theory that many different realities are happening at once True or false

What is the definition of gravitation potential energy?

Two books with different masses fall off the same bookshelf. As they fall, which has more kinetic energy and why

Which of the following is an example of convection? a a hot object transferring heat to a cooler one b the rays of the Sun warming the earth c a hot oven warming the air around it d hot air rising and cooler air falling

Bob drove from home to work at 60 mph. after work the traffic was? heavier, and he drove home at 50 mph. his driving time to and from work was 1 hour and 28 minutes. how far does he live from his? job?

How to measure voltage across an ungrounded component with a two channel oscilloscope?

In deep space there is very little friction once they are launched into a probe into deep space where there are no external forces acting on it scientists shut the probe's engines off because the scientists want the probe to