A rod of length 1m moves with a speed of 0.5 c. How much length contraction takes place? a) 50 % b) 14 % c) 10 % d) 35 %
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A rod of length 1m moves with a speed of 0.5 c. How much length contraction takes place?
a) 50 %
b) 14 %
c) 10 %
d) 35 %

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- How much work must be done on an electron to accelerate it from rest to a speed of 0.949c? Number i UnitsWhat is the total energy of an electron moving with a speed of 0.950 c? a. 2.6 x 10-13 J b. 1.1 × 10-13J c. 1.2 x 10-14 J d. 8.2 × 10-14 JA particle travels at 0.60c. Determine the ratio of its kinetic energy to its rest energy.A) 0.25B) 0.50C) 0.60D) 0.64E) 0.80