Author Question: Cosmic rays impinging upon the earth will generally ____. a. be deflected by the earth's ... (Read 53 times)

WhattoUnderstand · **on:** Jul 28, 2018

Cosmic rays impinging upon the earth will generally ____.
a. be deflected by the earth's gravitational field
b. not be affected if they are electrically neutral
c. be weaker in intensity at the earth's poles
d. lead to lightning discharges in the atmosphere

Question 2

When you drag a toy teddy bear along the floor by a force that is parallel to the floor, the magnitude of the force of friction
a. is independent of velocity or acceleration.
b. increases when the velocity increases.
c. is proportional to the acceleration.
d. decreases when the force parallel to the floor increases.
e. increases when the force parallel to the floor increases.