Two ice skaters push off against one another starting from a stationary position. The 45.0-kg skater acquires a speed of 0.375 m/s
What speed does the 60.0-kg skater acquire? Assume that any other unbalanced forces during the collision are negligible.
A) 0.281 m/s B) 0.000 m/s C) 0.750 m/s D) 0.500 m/s E) 0.375 m/s
A
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What two quantities are constant in uniform circular motion? ______________ and ______________
Fill in the blank(s) with correct word
At a distance of 10 m from a light bulb the rms value of the electric field is 16 V/m. What is the rms value of the electric field at a distance of 20 m from the light bulb?
A. 32 V/m B. 16 V/m C. 8.0 V/m D. 4.0 V/m E. 2.0 V/m
Satellite Motion: In another solar system, a planet has a moon that is 4.0 × 105 m in diameter. Measurements reveal that this moon takes 3.0 × 105 s to make each orbit of diameter 1.8 × 108 m. What is the mass of the planet? (G = 6.67 × 10-11 N ? m2/kg2)
A. 1.2 × 1024 kg B. 1.7 × 1024 kg C. 2.4 × 1024 kg D. 3.4 × 1024 kg E. 4.8 × 1024 kg
Unequal surface heating that causes localized pockets of air (thermals) to rise because of their buoyancy is termed ________.