A proton has_charge.

What is the period of Earth spinning on its axis? what is its frequency?

A bluefin tuna can reach speeds of up to 22 m/s. Suppose one tuna falls behind the rest of the school by a distance of 55 meters. How quickly can the tuna catch up A) 1.75 seconds B) 2.5 seconds C) 3.45 seconds D) 4.3 seconds

Explain how the density of a submarine changes so that it can sink

Which system receives and sends electrical signals through out the body?

A car travels at a constant speed around a circular track whose radius is 3.27 km. The car goes once around the track in 380 s. What is the magnitude of the centripetal acceleration of the car?

How could you find out which wire is broken in a cable?

Which block has more thermal energy? if the blocks are placed in thermal contact, will the thermal engery of the blocks change?

What is long term potentiation

Which of the following describes a conductor? A. a rubber shoe sole with electrons stuck to the bottom. B. Electrons moving freely through a copper wire. C. a balloon with a small region of negatively charged electrons. D.

An impala is an African antelope capable of a remarkable vertical leap. In one recorded leap, a 45 kg impala went into a deep crouch, pushed straight up for 0.21 s, and reached a height of 2.5 m above the ground.