A bicycle wheel has an outside diameter of 66 cm. How far does a point on the rim travel when the wheel rotates through an angle of 70°?
What will be an ideal response?
40. cm
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A good ammeter has ________ resistance and a good voltmeter has ________ resistance. "Good" means that it affects the system being measured by very little.
A. low, low B. low, high C. high, high D. high, low E. medium, no
The amount of dark matter in the universe is
A) about the same as the amount of visible matter. B) many times more than the amount of visible matter. C) about twice as much as the amount of visible matter. D) many times less than the amount of visible matter. E) entirely unknown at the present time.
The weight of an object equals its mass times the acceleration of gravity
Indicate whether the statement is true or false
An auto manufacturer advertises that their car can go "from zero to sixty in eight seconds." This is a description of what characteristic of the car's motion?
A) average speed B) instantaneous speed C) average acceleration D) instantaneous acceleration E) displacement