A nearby star is discovered to have a high mass planet at a very small distance from it. What would its radial velocity curve look like?
A) large amplitude, short wavelength
B) small amplitude, long wavelength
C) small amplitude, short wavelength
D) large amplitude, long wavelength
A
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When you weigh yourself on a bathroom scale on a slight incline instead of a level surface, your weight reading on the scale will be
A) less. B) no different. C) more.
An atomic nucleus has a charge of +40e. What is the magnitude of the electric field at a distance of 1.0 m from the nucleus?
A) 5.4 × 10-8 N/C B) 5.6 × 10-8 N/C C) 5.8 × 10-8 N/C D) 6.0 × 10-8 N/C E) 6.2 × 10-8 N/C
A 50.0 g glass container contains 200 g of water at
A 20.0 g piece of an alloy at
is added to the water in the container. The final temperature of the mixture is 
What is the specific heat of the alloy in cal/gm 
(specific heat of water = 1.00 cal/gm
specific heat of glass = 0.200 cal/gm
A. 2.75 B. 1.87 C. 1.54 D. 0.852 E. 0.553
A projectile is launched with initial velocity v0 at an angle of 30° above the horizontal. If a second projectile is launched with the same initial velocity but at angle of 60° above the horizontal
A) The range of the second projectile will be twice that of the first. B) The range of the second projectile will be 1.41 that of the first. C) The range of the second projectile will be one-half that of the first. D) The ranges of the two projectiles will be identical. E) It is impossible to compare the ranges of the two projectiles.