1. If you walk 3 kilometers in 30 minutes, what is
your average speed in
kilometers per hour?
2. What distance will a
truck travel in 3 hours at
an average speed of 50
miles per hour?

=force × distance a. work b. velocity c. pressure d. momentum

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final