If a spaceship has a momentum of 30,000 kg-m/s to the right and a mass of

400 kg, what is the magnitude of its velocity?

A. 12,000,000 kg-m/s

B. 75 m/s

C. 1,200 kg-m/s

D. 300 m/s

If you must walk on the highway, you should: Walk on the right side so that approaching cars can see you better Walk on the side with the highest amount of traffic Walk on the side that has the widest shoulders Walk on the left side in order to

A heat engine operating between energy reservoirs at 20? c and 650? c has 26 % of the maximum possible efficiency.

What do two troughs make when they meet

Think about the electricity sent to your home from a power plant. How does the voltage of the electricity that leaves the plant compare to the voltage of the electricity as it enters your home? A. low voltage to high voltage B.

If a velocity is positive which would most likely yield a negative acceleration

A submarine that is in the sea what principle is that

1. It takes 26.5 N to pull a 72 kg sled across snow. What is the coefficient of friction? 2. A 565 N rightward force pulls a large box across the floor with a constant velocity of 0.75 m/s. If the coefficient of friction is 0.

A person holds onto an object for 2 minutes, but doesn't move the object. Is work done on the object?

Which two vectors add together to give a resultant with the smallest magnitude, and which two vectors add to give a resultant with the largest magnitude? in each case specify the magnitude and direction of the resultant?

The largest velocity reached by a falling object is its