An intern pushes a 82 kilogram patient on a 15 kilogram gurney, producing an acceleration of 0.64 meters per seconds^2. How much work does the intern do by pushing the patient and gurney through a distance of 4.7 meters? Assume that the gurney moves without friction.

•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?

The necleus of an atom is made up of what subatomic particles?

Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.