A wheel of diameter 0.70 m rolls on the floor without slipping. A point at the top of the wheel moves with a speed 2.0 m/s relative to the floor.
(a) At what speed is the central axis of the wheel moving relative to the floor?
(b) What is the angular speed of the wheel?
Question 2
Mort observes Velma's light-clock, as Velma passes. He observes that, during a 1 second tick of her clock, her light beam travels
A) 300,000 km.
B) a distance of one light year.
C) less than 300,000 km.
D) further than 300,000 km.
E) no distance at all.
Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T
This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande
One-point linear perspective.
Mapping the Ocean Floor
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