14. If I = 5 A and R = 102, then P = 50 watts
250 watts
350 watts
500 watts

15. A 10 ohms resistor is powered by a 5-V battery. The current flowing through the source is
O 10A
50 A
O2A
O 0.5A

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

Assume this car is driven off a cliff . how many arrows of force need to be drawn in the free body diagram? assume no air resistance -five -one -three -four

Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in the collision? explain why or why not