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A car starts from rest and then accelerates uniformly to a linear speed of 14 m/s in 38 s. If the tires have a radius of 28 cm, what are the following?
(a) the average linear acceleration of a tire
_______ m/s2
(b) the angular acceleration of a tire
______ rad/s2
(c) the angular displacement of a tire from t = 0 to t = 38 s
_____ rad
(d) the total distance traveled by a point on the edge of a tire (Ignore the linear motion.)
______ m
The angular position of a point on the rim of a rotating wheel is given by %u03B8 = 4.01t - 6.34t2 + 2.63t3, What are the angular velocities at t = 3.19 s and t = 6.06 s
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You have a concave lens whose focal length has an absolute value of 8 cm and several convex lenses with f=5.0 cm, 12 cm, 15 cm, and 20 cm. determine the focal length of the concave lens
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