a displacement is related to time as x=A sin (2 pi f t) where A and f are constant. find the dimention of A.

A bucket of water of mass 20 kg is pulled at constant velocity up to a platform 35 meters above the ground. This takes 14 minutes, during which time 6 kg of water drips out at a steady rate through a hole in the bottom.

What are the benefits of physical exercises?

In the water cycle what state of matter is rain

A battery has emf E and internal resistance r = 1.50 Ω. A 14.0 Ω resistor is connected to the battery, and the resistor consumes electrical power at a rate of 92.0 J/s. What is the emf of the battery?

5. Where would a roller coaster have the greatest potential energy? A. at the top of a hill B. halfway up the hill C. halfway down the hill D. at the bottom of the hill

Can you chemical change or alter DNA

Give an example in which velocity is zero yet acceleration is not.

A 2,537-kg truck moving at 14 m/s strikes a car waiting at a traffic light, hooking bumpers. The two continue to move together at 8 m/s. What was the mass (in kg) of the struck car

Which of Newton's laws accounts for the following statement? "A force cannot act alone."

Determine the maximum weight of the bucket that the wire system can support so that no single wire develops a tension exceeding 100 lb.