Which of the following statements is true about the vehicles?

A.

The van has more kinetic energy than the truck.

B.

The truck has more kinetic energy than the van.

C.

Neither vehicle has any kinetic energy.

D.

The vehicles have the same kinetic energ

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?

Observations show that interstellar clouds can have almost any shape and

9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.