The mean life of muons is 2.2
How fast are they moving if their measured mean life is 1.1 
A. 0.50 c
B. 0.87 c
C. 0.56 c
D. 0.94 c
E. This cannot happen.
E. This cannot happen.
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A concrete nuclear reactor containment wall has a temperature distribution given by the equation
In 1975 the roof of Montreal's Velodrome, with a weight of 360 kN, was lifted by 10 cm so that it could be centered. How much work was done on the roof by the forces making the lift? In 1960 Mrs. Maxwell Rogers of Tampa, Florida, reportedly raised one end of a car that had fallen onto her son when a jack failed. If her panic lift effectively raised 4000 N (about 1/4 of the car's weight) by 5.0 cm, how much work did her force do on the car?
What will be an ideal response?
Compared to the ________ planets the ________ planets have ________.
A. terrestrial; Jovian; many satellites B. Jovian; terrestrial; low density C. terrestrial; Jovian; small diameter D. Jovian; terrestrial; high escape velocity
Which of the following types of electromagnetic radiation has the greatest energy?
a. x-rays b. visible light c. radio d. gamma-rays e. infrared radiation