Heat engines convert which type of energy into mechanical work

A 2.5 g bullet traveling at 350 m/s hits a tree and slows uniformly to a stop while penetrating a distance of 12 cm into the tree's trunk. What is the initial kinetic energy of the bullet? 153.125 J Correct: Your answer is correct.

What electric field strength is needed between the electrodes to achieve this deflection?

A sled slides down a hill, reaches the level surface, and eventually comes to a stop. Which fact ultimately explains why the sled stops? A. The presence of an unbalanced force causes an object to move forward at constant velocity B.

Which of the following statements best describe destructive forces? A. Forces that build up, create, landmasses. B. Forces that wear down, destroy, landmasses. C. Forces that change the appearance of rock. D. Forces that are destructive by nature

Explain the statement "the lower down in the food chain we eat, the greater percentage of solar energy we put to use, and the more people Earth can support" in terms of trophic levels and pyramids of energy.

What are the starting materials for nuclear fission

Why is it possible to throw a 0.145 kg baseball much further than a 7 kg bowling ball?

What is the name of the force that opposes or slows down the motion of objects

If you jump into the air, are your legs pushing you away from the earth or pushing the earth away from you?

All of the following would be useful in trying to obtain procedural information to replicate an experiment previously published except for a lab journal used in the original experiment. a published scientific journal. a dictionary.