Help please, I need the answer asap

In all trials, the magnitude of the final velocity for g1 + g2 was less than the magnitude of any initial velocity. as mass increased, what happened to the velocity? the velocity decreased. the velocity increased. the velocity of g1 + g2 could not be measured. the velocity was not affected by the mass increase.

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse

What is the angular momentum of the bar about the axle?