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
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