Which of Newton's laws, when combined algebraically with his law of universal gravitation, can be used to calculate Earth's mass?

A) first

B) second

C) third

Which use of a simple machine changes the direction of a force? A. using a ramp to load boxes onto a truck B. using an axe to split wood C. removing a bottle cap with a bottle opener D. lifting a rock with a crowbar

How do you find displacement in a velocity vs time graph?

2. What was the role of women as industry increased? A. They gained the vote, B. They became industry leaders, e. They led the household D. They can for government office,

You need to carry six cans of paint from the basement of your house to the attic. Will you do more work if you take the cans two at a time or if you carry them all at once?

What happens to the brightness of the light from each bulb as each new bulb is added?

Which of these is an element? O carbon O air O carbon dioxide water

What could result if the liver was not working properly?

A machine gun fires 10 rounds per second. The speed of the bullets is 300 m/s. What is the distance between the flying bullets?

A runner with a mass of 75kg runs 6m/s calculate the kinetic energy stored in the runner

Watt which is a unit of power is equal to