An archer puts a 0.30 kg arrow to the bowstring. an average force of 201 n is exerted to draw the string back 1.3 m. a. assuming that all the energy goes into the arrow, with what speed does the arrow leave the bow? (41.7 m/s)b. if the arrow is shot straight up, how high does it rise? (88.9 m)

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.

What is the speed vfinal of the electron when it is 10.0 cm from charge 1?