Can any one explain physics

An ion source is producing 6Li ions, which have charge + e and mass 9.99 * 10-27 kg. The ions are accelerated by a potential difference of 13 kV and pass horizontally into a region in which there is a uniform vertical magnetic field of magnitude B =

The shortest wavelengths occur in the:red end of the spectrumblue end of the spectrummiddle of the spectrum The light-gathering capacity of a telescope is dependent upon the:magnificationfocal lengthsize of human irisarea of aperture

What does the term "heat capacity" refer to?

You slide across an icy sidewalk. According to Newton's first law, why will you eventually slow down? A. There are forces acting on you. B. You have inertia. C. You have zero acceleration. D. There is no air resistance.

What happens when the bulb is replaced with a bulb having a lower resistance

True or False. Alcohol is toxic to most fruit flies, but fruit flies that metabolize alcohol quickly survive alcohol exposure better than normal metabolizers.

Aerobic exercise is exercise where oxygen is not present. Question options: True False

The force between a pair of. 005 charges is 750 N. What is the distance between them?

A perpetual motion machine can never be built because it is not possible to eliminate A) Momentum B) Inertia C) Elasticity D) Friction

What makes the lumbar vertebrae different from the cervical vertebrae and the thoracic vertebrae?