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At a certain temperature, hydrogen molecules have r.m.s. velocity of 3 km/s. What is the r.m.s. velocity of the oxygen molecules at the same temperature?
0.25 km/s
0.5 km/s
0.75 km/s
6 km/s
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A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force constant value k. The mass is released from rest with the spring initially unstretche the maximum extension produced in the length of the spring will be_______________
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The ratio of the change in dimension at right angles to the applied force to the initial dimension is known as____________
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