A beach ball is rolling in a straight line toward you at a speed of 9 m/sec. It's momentum is 3 kg. m/sec. What is the mass of the beach ball?

Now that the first three steps have been explained, identify the next three steps, in order. calculate the magnitude of r sum vector components calculate a and b magnitudes calculate the direction of r, calculate x,y components step 4 step 5 step 6

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j