A baseball has a mass of 0.15 kg. If pitched at 40.0 m/s with a relative uncertainty of 1%, how uncertain is its position?
A. 9.1 x 10-34m
B. 5.7 x 10-34m
C. 1.8 x 10-34m
D. 6.3 x 10-33m
A. 9.1 x 10-34m
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If the displacement of an object, x, is related to velocity, v, according to the relation x = Av, the constant, A, has the dimension of which of the following?
a. acceleration b. length c. time d. area
A black hole is an object with escape velocity about half the speed of light.
Answer the following statement true (T) or false (F)
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