The plot shows the position of a mass attached to a spring undergoing harmonic motion.  At the marked position, which statement best describes the velocity and acceleration? image01260415f27.gif 

Which of these is not measured in Joules?

A metal ball with a mass of 0.8 kg and a volume of 10-4 m3 is submerged in water with a density of 1000 kg/m3.  How much does it weigh while submerged?

How would you find the work in an adiabatic process?

An object accelerates from rest and accelerates at 4 m/s2.  How far does it travel in 3 seconds?

In a physics lab, a 0.5 kg cart moving 6 m/s collides with a 1 kg cart at rest.  If the carts stick together, how fast do they travel after the collision?

How would you find the heat flow during an isothermal process?

Type in your solution for the last problem

A ball is thrown up in the air.  At the top of its motion, it is momentarily at rest.  If we define up as the positive direction, what is its acceleration at the top of its motion?

Please provide feedback about the location site at Nationwide conference center (can be positive or areas of concern).