A spaceship is moving past us at a speed close to the speed of light. What would we conclude about time (clocks) on the spaceship as it goes by?
A) Time is the same for everyone.
B) We would conclude that their clocks are going at the same rate as ours.
C) We would conclude that their clocks are going exactly half as fast as ours.
D) We would conclude that their clocks are going faster than ours.
E) We would conclude that their clocks are going slower than ours.
E) We would conclude that their clocks are going slower than ours.
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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
Kirchhoff's Rules: Determine the current in the 8.0-? resistor for the circuit shown in the figure. Assume that the batteries are ideal and that all numbers are accurate to two significant figures.
A. 0.28 A B. 1.3 A C. 1.6 A D. 2.1 A
What does it mean to say that the values of properties like spin are quantized?
A) The property can take on specific values, but not any values in between. B) The property can only take values that are separated by integer amounts. C) The property can only take values that are positive so they can be counted. D) The property can take on any value, but our measurements will always rounded.
Describe the large-scale structure revealed by the redshift surveys
What will be an ideal response?