How are gravity and friction similiar

What effect does the velocity of a rotating object have on the centripetal acceleration?

Which form of electromagnetic radiation is most destructive to chemical bonds in living tissue? A. gamma rays B. UV rays C. visible light D. X-rays

Hey student puts a bathroom scale in an elevator. When the elevator is not moving, The student weighs 668 N. When the elevator accelerates upward, The student Weighs713 N.

The gas in a balloon has P=100000 pa and v=0.0279 m^3. if the pressure increases to 120000 pa at constant temperature, what is the new volume of the balloon? (hint:N and T are constant.) also (Unit=m^3)

0 Match each type of wave made during an earthquake to its wave form. 1. primary wave transverse wave 2. secondary wave longitudinal wave 3. surface wave circular wave

A race car driver must average 200 km/hr for four laps to qualify for a race. because of engine trouble, the car averages only 170 km/hr over the first two laps. what average speed must be maintained for the last two laps?

A machine has a mechanical advantage of 5. if 300 newtons of input force is used to produce 3,000 newton meters of work what is the output force and what is the distance over which the work is applied

An experiment in your science class lists the materials needed for the lab. It is your job, as a lab partner, to measure out 25 mL of distilled water and 2.5 grams of magnesium.

If the water cycle is effective why are some areas in the world always short on water?

Low-frequency red light is used in dark rooms because it does not expose the film. This is because the red light has a low