Two planets have the same surface gravity, but planet b has twice the mass of planet

a. if planet a has radius r, what is the radius of planet b?

1. A 700kg racecar slowed from 30m/s to 15 m/s. What was its change in Momentum? 2. If the car in the above problem took 5 seconds to slow down from 30m/s to 15 m/s. a. What is the impulse? b. What was the average force applied by the brakes?

What is the speed of the walking person in m/s if the person travels 1000 m in 20 minutes?

True or false, water moves from Earth's surface to the atmosphere as precipitation.

You cannot get more work out of any machine than what you put into it. 1) True 2) False

If the speed of light were infinite, what would the equation of special theory of relatively reduce to!

What is the most dense crust

V is the velocity of a particle moving along the x axis as shown. If x = 2.0 m at t = 1.0 s, what is the position of the particle at t = 6.0 s?

A compound consisting of atoms of small atomic mass is more likely to require

Wave can be described as A. a continuous transmission of energy from one location to the next B. The disturbance of particles in an area C. The transmission of energy through individual particles D. The motion of particles in a medium

A germ is also called a microorganism or a microbe. True False