1.67X10-27 “ ug
a
an
A proton of mass 1.67 ×10^-27
and charge
1.6 × 10 -27 is projected with a speed of 2*10^6 m/s
at angle of 60° to the x-axis
The uniform magnetic field of 0.104T is applied along the y axis .
Caculate the radius of the path .what is the nature of path
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Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2