A proton is accelerated from rest through 500. V. It enters a magnetic field of 0.300 T oriented perpendicular to its direction of motion. Determine:
(a) the radius of the path it follows.
(b) the frequency with which it moves around this path.
(a) 0.011 m
(b) 4.57 MHz
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What will be an ideal response?
The force of static friction exerted on an automobile's tires by the ground
a. provides the accelerating force that makes the car move forward. b. does positive work on the car while it is accelerating. c. does negative work on the car while it is decelerating. d. does everything listed in (a), (b) and (c). e. only does positive or negative work as in (b) or (c).
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Fill in the blank(s) with correct word