What is the mass of an object that experiences a gravitational force of 685 N near Earth's surface where g = 9.80 m/s2?
A) 69.9 kg
B) 68.5 kg
C) 71.3 kg
D) 72.7 kg
A
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A mass m is launched from the surface of the Earth with speed v. The diagram shows three possible launch directions; order them according to the maximum height the projectile will reach, from greatest height to least height
A solid cylinder of radius R = 1.0 m and mass 10 kg rotates about its axis. When its angular velocity is 10 rad/s, its angular momentum (in kg?m2/s) is
A. 50. B. 20. C. 40. D. 25. E. 70.
The wind speeds found in the bands and zones of Saturn, compared to those on Jupiter, are about:
A) 3 times faster. B) 2 times faster. C) the same. D) 2 times slower. E) 3 times slower.