1) an asteroid exerts a 1000- N force on a nearby spacecraft. If the spacecraft moves to a position five times as far from the center of the asteroid , the force ( in N) will be

- 100

-25

-40

-25000

-5000

2) A steam turbine takes ins team at a temperature of 400 deg. Celcius and releases steam to the condenser at a temperature of 120 deg. Celsius. If the turbine takes 500kJ of heat in each cycle, what is the maxium amount of work that could be generated bt the turbine in each cycle?

1kJ = 1000 J

-1000 kJ

-714 kJ

-208 kJ

-1202 kJ

-350 kJ