A more powerful engine means a plane will have a acceleration.
A. Same size
B. Greater
C. Smaller
D. Not enough info

"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

What kind of simple machine is a catapult?