What is the net charge of a copper atom if it gains 2 electrons?

A rabbit sees carrot to his right and starts jumping towards it with a velocity of 4.0meter per sec it speeds up to its maximum velocity of 13 meter per sec with a constant acceleration of 2.

Find the momentum of a 25 kg remote controlled car moving 4.0 m/s (Type your answer below, don't forget your significant figures and units!)

What is the unit used for work?

The lower end of a long plastic straw is immersed below the surface of the water in a plastic cup. An average person sucking on the upper end of the straw can pull water into the straw to a vertical height of 1.

What is the speed of a proton after being accelerated from rest through a 5.6x107 V potential difference?

How long did it take to reload a rifle during the 18th 19 century?

Hot spots in electronic and electric circuits can be detected visually with the use of A. dataloggers. B. thermocouples C. oscilloscopes D. infrared cameras.

A baseball with a mass of 0.8 kg is given an acceleration of 20m/s. how much force was applied to the ball

Stephen can push with 200N of force on a couch. If the couch has a mass of 20 kg, how much acceleration will the couch have?

Which devices might use electromagnets? pick all that apply. 1. audio speakers 2. plastic combs 3. trains 4. doorbells 5. revolving chairs 6. cranes