Which example illustrates newtons first law? A the force of a wheel barrel on the ground in the opposite direction of the force of the ground on the wheel barrel be more mass is added to a wheel barrel and a large force is required to move it

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

Acar travels 40m in 8 seconds find the car speed

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.