Aspring loaded toy shoots straight upward with a velocity of 4.5 m/s. determine the maximum height it reaches. determine the time it takes to return to its initial position. determine the velocity of the toy if it falls 1.0m below where it is launched from. me with this problem.

After a car's engine has been running for a while, if you stand near the car's engine you can often feel heat coming from the engine as a result of a. radiation b. convection c. conduction

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?