A cable has a strain of 
If the un-stretched length of the cable is 24.0 m, then the change in length of the cable is
A. 35 mm.
B. 48 mm.
C. 52 mm.
D. 59 mm.
E. 67 mm.
B. 48 mm.
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You note that a particular star is directly overhead. It will be directly overhead again in:
A) 1 hour. B) 12 hours. C) 23 hours 56 minutes. D) 24 hours. E) 24 hours 4 minutes.
Vision Problems: What is the power of the lens that has a focal length of 40 cm and a diameter if 5.0 cm?
A. -2.5 diopters B. +20 diopters C. +0.20 diopters D. +2.5 diopters E. +2.7 diopters
Using an integral to calculate a sum over f (n) (where n is an integer) is a good approximation when
A. the summed values f (n) are individually small. B. the value of f (n) varies only very slowly with n. C. the value of f (n) goes to zero as n goes to infinity. D. the value of f (n) goes to zero as n goes to zero. E. All of the conditions above are true.
A pitcher claims he can throw a baseball with as much momentum as a 3.00-g bullet moving with a speed of 1500 m/s. A baseball has a mass of 0.145 kg. What must be its speed if the pitcher's claim is valid?
What will be an ideal response?