A 1000-kg car experiences a net force of 9500 N while slowing down from 30 m/s to 15.9,/s How far does it travel while slowing down?
A) 34 m
B) 31 m
C) 37 m
D) 41 m
A
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What value of inductance should be used in a series circuit with a capacitor of 9.0 × 10^-4 mF when designed to radiate a wavelength of 70 m? (c = 3.00 × 10^8 m/s)
a. 3.8 × 10^-4 mH c. 3.8 mH b. 1.9 × 10^-4 mH d. 1.5 × 10^-3 mH
Which of the following particles has not yet been detected (even though most scientists consider its existence to be likely)?
a. The pion. b. The muon. c. The graviton. d. Intermediate vector bosons. e. The positron.
A 200-N weight hangs motionless from a string that is attached to the ceiling. The net force acting on the weight is
1) zero, 2) 100 N, 3) 200 N, and if the string breaks, the net force acting on the weight will be 4) zero. 5) 100 N. 6) 200 N.
Using the approximate formula for the Doppler shift, 
one finds that a source is moving away at 0.60 c. What result would the exact formula yield for the recession speed?
A. 0.84 c B. 0.72 c C. 0.60 c D. 0.54 c E. 0.40 c