When you eat a candy bar, your body oxidizes glucose to get energy. where does this energy come from? kinetic energy of the glucose molecules chemical bonds within the glucose molecules work done on both oxygen and glucose molecules kinetic energy of the oxygen molecules?

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

Which of the following are appropriate acceleration units?

Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to: