A particle carrying a charge of +e travels in a circular path of radius R in a uniform magnetic field. If instead the particle carried a charge of +2e, the radius of the circular path would have been
A) 4R. B) 2R. C) R/4. D) R/2. E) 8R.
D
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Galileo believed that motion stops in the absence of a force
a. True b. False Indicate whether the statement is true or false
When the Sun rises it is located in the constellation Gemini. When the Sun sets later that same day it will be
A) in the constellation Aries. B) in the constellation Taurus. C) in the constellation Gemini. D) in the constellation Cancer. E) in the constellation Leo.
What form or forms of energy does a falling elastic ball have just before it is dropped from some height above the floor [see figure above]?
A) Elastic only B) Gravitational only C) Kinetic and gravitational D) Kinetic only E) Kinetic and gravitational and elastic
Your eye's iris changes the size of your pupil to adjust the amount of light that enters your eye
a. True b. False Indicate whether the statement is true or false