Which physical unit is the SI acceleration of gravity?
A) 40 km, SW
B) 32 ft/s2
C) 9.8 m/s2
D) 186,000 mi
E) -120 mi/s
C
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Jupiter is largest and brightest in our skies when seen at ________
Fill in the blank(s) with correct word
Rotational Kinetic Energy: Consider a uniform hoop of radius R and mass M rolling without slipping. Which is larger, its translational kinetic energy or its rotational kinetic energy?
A. Translational kinetic energy is larger. B. Rotational kinetic energy is larger. C. Both are equal. D. You need to know the speed of the hoop to tell.
Energy and Mass: During a reaction, a reactant loses 4.8 × 10-28 kg of mass. How many joules of energy are released? (c = 3.0 × 108 m/s)
A. 4.3 × 10-11 J B. 1.4 × 10-19 J C. 1.6 × 10-36 J D. 5.3 × 10-45 J
A mass attached to a spring vibrates back and forth. At maximum displacement,
A) velocity reaches zero. B) acceleration reaches a maximum. C) net force reaches a maximum. D) velocity reaches a maximum.