To change from one SI prefix to another, we use?

a. significant figures

b. scientific method

c. decimals

d. conversation factors

A 82.2 kg ice skater, moving at 9.1 m/s, crashes into a stationary skater of equal mass. After the collision, the two skaters move as a unit at 4.55 m/s. Suppose the average force a skater can experience without breaking a bone is 4472 N.

Interstellar dust causes stars to appear bluer than they actually are

Define the layers of atmosphere

Acceleration is generally defined as the time rate of change of velocity. When can it be defined as the time rate of change of speed?

A wheel rotates clockwise 6 times per second. What will be its angular displacement after 7 seconds? Answer should be rounded to 2 decimal places

Which of the following actions will keep the gravitational force between two objects unchanged A-decreasing the mass of the objects.

Which is a strong synthetic polymer that can be used to make toys and bottles? A) polystyrene foam B) polyethylene C) nylon D) vulcanized rubber

And Jen the other members of the tennis team are practicing hitting tennis balls are two people identical balls at the same time which ball has the most kinetic energy

Which two quantities are directly proportional? a. time and pressure b. volume and pressure c. volume and temperature d. pressure and temperature

To change from one SI prefix to another, we use? a. significant figures b. scientific method c. decimals d. conversation factors