How is the gravitational potential energy stored in an object converted into kinetic energy A by throwing to object upward B by putting the object on the ground C by moving the object to one side or D by letting the object fall

How fast must a 6 kg cat run to have kinetic energy of 150 j?

Modeling the female skater, of mass 47.0 kg, as a particle, and assuming that the combined length of the two outstretched arms is 124 cm and that arms make an angle of 45.

Alinear track begins at O meters and has a total distance of 100 meters to the finish line. Juliet starts at the 10 meter mark while practicing for a race.

You push backward against the ground to move a skateboard forward. the force you make acts against the ground. what force acts against you to move you forward?

A small object has charge Q. Charge q is removed from it and placed on a second small object The two objects are placed I m apart. For the force that each object exerts on the other to be a maximum, what should q be? a) q 20 c) q Q/2 d) q / 4

How are mass and weight different? a. Mass is the space an object takes up and weight is the effect of gravity on mass. b. Mass is the amount of matter and weight is the effect of gravity on mass. c.

What were the discoveries of astronomers like Copernicus and Galileo?

A major obstacle to developing good human relations is that

4.) An apartment building is on fire and a guy is trapped on the fire escape ladder. There is a dumpster that is 6.3m away and is filled full of trash, and he is 7m above it.

Calculate the temperature of and power-per-area radiated from a blackbody if the spectral intensity density peaks at (a) gamma rays, λ = 1.50*10-14 m; (b) x rays, 1.50 nm; (c) red light, 640 nm; (d) broadcast television waves, 1.