Calculate the work done. a tractor pulls on a tree for 3 minutes with a force of 100 pounds. 1000 ft-lbs 3000 ft-lbs unknown zero it is: unknown

How can Newton's Laws be used to explain how and why things move?

how gravity is related to the weight of an object

Explain how machines can be useful if the output is always less than the input work

What is the power dissipated by a toaster that has a resistance of 60 ohms and is plugged into a 120 v outlet? show work

Explain integration and differentiation in simple method!

Which characteristics are used to identify types of metamorphic rocks? Check all that apply. color foliation rock size grain arrangement type of rock before metamorphosis

What is the current in a 120V circuit if the resistance 10?

What factor causes the seasons? A: Rotation of earth's axis B: The tilt of earth's axis with respect to the sun C: The appearance of the moon D: An eclipse

A golfer on a level fairway hits a ball at an angle of 21° to the horizontal that travels 99 yd before striking the ground. He then hits another ball from the same spot with the same speed, but at a different angle. This ball also travels 99 yd.

What's earths most precious element?