The effort is always less than the load for a second-class lever.

true or false

How many electrons will fit on an outermost shell of an atom? A. 4 B. 8 C. 10 D. 12

If two water waves are traveling toward each other, one with a + 3 m amplitude and one with a + 5 m amplitude, what is the resulting amplitude when they meet?

If an automobile had a 100%-efficient engine, transferring all of the fuel's energy to work, would the engine be warm to your touch? Would its exhaust heat the surrounding air? Would it make any noise? Would it vibrate?

Vx = 20 m/s, vy = 43 m/s. Find the vector's magnitude.

What important attitudes do successful scientists possess?

What are the units of speed or velocity

List the colors of visible light in order of decreasing frequency physics

You can identify a pure substance if you know it's?

A rod of mass M and length L can rotate about a hinge at its left end and is initially at rest. A putty ball of mass m, moving with speed V, strikes the rod at angle θ from the normal and sticks to the rod after the collision.

A satellite with a mass of 2,000 ㎏ is inserted into an orbit that is twice the Earth' s radius. W hat is the force of gravity on the satellite? The radius of the Earth is 6380 km, and the mass of the Earth is 5.98 X 1024 kg a. 2,000 N h.