A lever with an input arm of 2 meters high has a mechanical advantage of 4 what is the output arm's length

Describe how the gravitational force between 2 objects depends on the mass of the objects and the distance between them. your answer

Which of the following characteristics of Earth's crust is likely to contribute to geological events? A. can be broken into many plates B. has has uniform thickness throughout C. cysts on top of the solid rock of the lower mantle D.

What is not a major source of groundwater pollution?

The length of the grassy park where the aunt lives is 1 kilometer. How many times longer than the aunt is the park? Explain your answer

What is the period of a wave if 3 waves pass every 6 seconds? A. 0.5 s B. 2 s C. 3 s D. 6 s

Ten seconds after starting from rest, a car is moving at 40 m/s. what is the car's acceleration in meters per second per second?

A student builds a simple circuit and a magnet under one of the circuit wires. When the switch is closed charges flow int the circuit and the wire moves

Cite an example in which a force is exerted on an object without doing work on the object

Which equation best expresses the first law of thermodynamics, assuming Q is heat, U is internal energy, and W is work? A.ΔW = ΔQ + ΔU B.ΔW = ΔU - ΔQ C.ΔQ = ΔU+W D.ΔU=Q - W

Why are the action and reaction forces described by Newton's third law of motion excluded in the free-body diagram of an object?