If the Earth had four times its present mass, what would be its new period of revolution around the sun, compared to its present orbital period?
A) two times as much
B) one-fourth as much
C) four times as much
D) one-half as much
E) the same
E
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In general, precession results when
A) torque acts on a body with zero angular momentum. B) the direction of torque acting on an object is parallel to the direction of angular momentum of the body. C) there is no torque acting on a body. D) the direction of torque acting on an object has a component perpendicular to the direction of angular momentum of the body. E) the direction of torque acting on an object is opposite to the direction of angular momentum of the body.
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Answer the following statement true (T) or false (F)
When a carboxylic acid reacts with an alcohol, the products are water and a(n)
a. aldehyde. b. ester. c. salt. d. amide. e. ketone.
A 1-kg chunk of putty moving at 1 m/s collides with and sticks to a 5-kg bowling ball initially at rest. The bowling ball and putty then move with a momentum of
A) 0 kg m/s. B) 1 kg m/s. C) 2 kg m/s. D) 5 kg m/s. E) more than 5 kg m/s.