A toy plane is flying at 15 m/s in around a 0.5 km circular path. A force of 700 N is needed to maintain the plane’s circular motion. Find the mass of the toy plane.

In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

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