The diagram shows the mechanical parts of scissors

Explain why astronomers have deduced that galaxies contain a large quantity of dark matter

Which of the following is a way in which earth material is returned to the surface?

Were you able to move the refrigerator? if not, what would you have to change? describe what you did

Why don't the noble gases form compounds readily? A. they have empty outer energy levels B. they have no electrons C. they have seen electron in the outer energy level D. their outer energy level are completely filled with electrons

Sue and Sean are having a tug-of-war by pulling on opposite ends of a 5.0-kg rope. Sue pulls with a 15-N force. What is Sean's force if the rope accelerates toward Sue at 2.0 m/s2?

A car moving at a steady 10 m/s on a level highway encounters a bump that has a circular cross-section with a radius of 30 m. The car maintains its speed over the bump. What is the normal force exerted by the seat of the car on a 60.

Determine the magnitude of the force p required to hold the 180-kg crate in equilibrium.

Match the following: 12) Site where resistance to blood flow is greatest. 13) Site where blood pressure is lowest. 14) Site where exchanges of food and gases are made. 15) Site where the blood pressure is greatest.

How many trees were sold in all during 1999 and 2000?

a cannon sits on a stationary railroad flatcar with a total mass of 1000 kg. when a 10 kg cannonball is fired to the left at a speed of 50 m/s, what is the speed of the flatcar