When you break a magnet in half how many poles does each piece have

Two students spotted some white, eyeless crayfish in the darkness. Why are the crayfish eyeless? A. They have long legs, so they don't need eyes. B. They are white, so they don't need eyes. C.

Which of the following are major problems with fission reactors? 1. Maintaining high temperatures 2. Disposal of hot water 3. Disposing of radioactive waste 4. Obtaining fuel

A car moving at a constant velocity never changes speed? A true b false

in a hydraulic press the small cylinder has a diameter 10.0cm while the large has 25cm if the force of 600N is applied to the small cylinder. find the force exacted on the large cylinder

A battery powered electric motor uses what type of current?

During which interval is the largest amount of energy required to stretch the spring?

Which of the following statement about the use of prescribed fires in the everglades is true

Recoil is noticeable if we throw a heavy ball while standing on a skateboard. If instead we go through the throwing motion but hold onto the ball, without friction effects our net recoil will be A) zero. B) the same as before.

Why might a mountain top and a nearby valley have widely different temperatures?

Critical thinking! Comparing and Contrasting You carry two heavy bags of groceries upstairs to your kitchen. Will you do more work on the bags if you carry them up one at a time? Explain.