Which of Newton's laws accounts for the following statement? "A force cannot act alone."

Since groundwater is largely unseen from the surface, how might you monitor how humans are affecting the amount of groundwater in a aquifer

An 85 kg dog is sitting on a couch what is the weight of the dog

What is f = ma derivation?

An environmental group wants to sink a ship off the coast to create an artificial reef. They find that they must get a permit from the Environmental Protection Agency in order to be allowed to do this.

What is the unit of measurement of mass

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

The breaking car had 10,000 J of kinetic energy before breaking after breaking it had 2000 J of kinetic energy. How much thermal energy did the brakes gain?