A 4.00 kg object is moving at 5.00 m/s EAST. It strikes a 6.00 kg that is at rest. The objects have an elastic collision. The velocity of 4.00 kg object after the collision is in the SOUTHWEST direction. The velocity of the 6.00 kg object after the collision is
A. 2.38 m/s.
B. 3.02 m/s.
C. 3.51 m/s.
D. 4.06 m/s.
E. 5.22 m/s.
A. 2.38 m/s.
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a. 49 ?F b. 32 ?F c. 40 ?F d. 90 ?F e. 16 ?F
The half-life of a muon is 2.20 ms as measured in a stationary reference frame. What is the half life of the muon (in ms) when it is moving with a speed of v = 0.800 c?
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Fill in the blank(s) with the appropriate word(s).
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Indicate whether the statement is true or false