The position of a 0.76-kg mass undergoing simple harmonic motion is given by x = (0.160 m) cos (?t/16). What is the maximum net force on the mass as it oscillates?
a. 4.7E–3 N
b. 2.9E–2 N
c. 6.2E–3 N
d. 2.4E–2 N
e. 2.4E–2 N
a
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A. Their interiors may contain large quantities of water ice and other ices under tremendous pressure. B. Their interiors may contain liquid water and other materials that would be ices if not for the hot cores of those planets. C. Uranus and Neptune are much colder than Jupiter or Saturn. D. Uranus and Neptune are much smaller than Jupiter or Saturn. E. None of these choices are correct.
A billion solar mass black hole has a radius of only:
A) one solar diameter. B) 20 A.U. C) 400 A.U. D) 3 parsecs. E) 20 parsecs.
Describe the central bulge of our galaxy
What will be an ideal response?
Air resistance on a high-speed projectile shortens its
A) range. B) maximum height. C) both of these D) none of the above