Two cars have the same weight, but one of the cars has an engine that provides twice the power of the other. which car can make it to the top of a mountain pass first? which car does more work to reach the pass

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?

Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a. a piece of paper b. a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.