Nuclear power is not considered safe because accidents happen often and produce radiation, which causes cancer. Is this true?

The established value for the speed of light in a vacuum is 299,792,458 m/s. What is the order-of-magnitude of this number?

When the same masses are heated by the same amount, which of the following substances will heat up the slowest? -aluminum ... 0.90 -iron ... 0.46 -gold ... 0.13 -copper ... 0.39

A plane flies 600 kilometers away from its bad at 400 meters per second then flies back to its base at 600 meters per second. What is it's average velocity?

Heat transfer by condution

Anna needs to move a box of paperback books across the room. If she applies a force of 20 newtons to the box, what is the magnitude of the force exerted by the box on Anna?

An archer shoots an arrow at a 75.0 m distant target; the bullâs-eye of the target is at same height as the release height of the arrow. (a) at what angle must the arrow be released to hit the bullâs-eye if its initial speed is 35.

Which of the following is considered a contact forces?1) the force between two magnets. 2) the gravitational pull of a planet. 3) friction between an object and air. 4) the force between two charged particles.

All matter can be described by using what properties

When a quantity of monatomic ideal gas expands at a constant pressure of 4.00*104pa, the volume of the gas increases from 2.00*10-3m3 to 8.00*10-3m3?

When the notebook is sitting on the table, what force prevents it from falling into the space below the table? If you don't know the name of this force, just describe it. What force keeps the notebook from floating in the air?