What does the person in front of the ambulance experience?

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.