Jim is rearranging his apartment and needs to move his entertainment center. If the gravity exerts 15 N and there is 10 N of friction, how much force will Jim need to exert to move it?

A space station that does not rotate cannot simulate gravity for its occupants. A) True B) False From within a rotating reference frame, the centrifugal force simulates gravity.

Ehren is trying to increase his mile run from eight to six minutes. He has decided to run some sandy hills near his home. Which principle of overload is at work? progression time frequency intensity

A car has a momentum of 20,000 kg. m/s. What would the car's momentum be if its velocity doubles? 10,000 kg. m/s 20,000 kg. mis 40,000 kg • m/s 80,000 kg. m/s

Define efficiency in your own words

When you rub a plastic rod with fur, the plastic rod becomes negatively charged and the fur becomes positively charged. As a consequence of rubbing the rod with the fur, A. the rod and fur both gain mass. B. the rod and fur both lose mass. C.

As you run toward a source of sound, you perceive the frequency of that sound to

What is the biggest problem with invasive species in their new location? A They are always stronger than native species. B They evolve more quickly than native species. C They have higher reproductive rates than native species.

1. Which of the following is an accurate statement? A. Step-down voltage transformers have a different number of turns in the primary than in the secondary winding, so they change the incoming voltage to a higher voltage. B.

Is the Air Force better than the Navy?

A projectile is fired straight up at a speed of 10 m/s. How long does it take to reach the top of its motion? The acceleration due to gravity is 9.8 m/s^2. Answer in units of s.