You are at the leading end of a canoe and your friend is at the trailing end as the canoe is drifting along at a speed of v. You toss a backpack to your friend and he catches it. What is the canoe's speed after your friend catches the backpack compared to before you threw it? Ignore any friction effects between the canoe and the water

1.It is greater than v.
2.It is less than v.
3.It now has the same speed it had before the backpack was thrown.
4.We cannot tell from the information given.


3

Physics & Space Science

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a. hypothesis b. paradigm c. natural law d. model e. theory

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The Fermi temperature is

a. a characteristic temperature of an electron gas at a physical temperature of absolute zero. b. a characteristic temperature of an electron gas at a physical temperature of 0° Celsius. c. the temperature of the electron gas in absolute degrees. d. related to the Fermi energy by the relation EF = (3/2) kT. e. independent of the Fermi energy.

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Steven Weinberg, Abdus Salam, and Sheldon Glashow shared the 1979 Nobel prize in physics for their development of GUTs

Indicate whether the statement is true or false

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What will be an ideal response?

Physics & Space Science