Before the collision +y 60 A blue ball moving at 10.0 m/s collides with a stationary green ball of the same mass. After the collision, the blue ball moves at 5.00 m/s at an angle of 60° as shown in figure above. Find the magnitude of the velocity of the green ball. O a 10.32 m/s Ob.9.88 m/s Oc642 m/s Od866 m/s
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- Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York; there is negligible friction between his feet and the ice. A friend throws Olaf a ball of mass 0.400 kg that is traveling horizontally at 10.5 m/s. Olaf's mass is 72.8 kg. If Olaf catches the ball, with what speed vf do Olaf and the ball move afterward? If the ball hits Olaf and bounces off his chest horizontally at 8.40 m/sm/s in the opposite direction, what is his speed vf after the collision?In a 2D elastic collision two balls collide (see picture). The 1st balls mass is 50g. It has an initial velocity of 6m/s. The 2nd balls mass is 125g. It has an initial velocity of 0m/s. The 1st ball has a final velocity of 5 m/s and an angle ? = 45°. Find the velocity of the second ball and it’s angle ?.Dr. Knotts's kids are chasing each other through the yard. Arlo is in the lead and Greyson is chasing him from behind. Arlo has a mass of 13.1 kg and is running at 1.06 m S After they run into each other, Greyson has a velocity of 1.14 19.6 kg and is running in the same direction at 1.44 How fast is Arlo moving just after they collide? VArlo m S What is the total kinetic energy of the system before the collision? KEinitial J = What is the total kinetic energy of the system after the collision? KEfinal J = Is this collision considered eleastic, inelastic, or both? O Inelastic Both Elastic m S m S in the same direction he was already moving. I I Greyson has a mass of