1. If you have the same mass of water in a bathtub at the same initial...

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Physics

1. If you have the same mass of water in a bathtub at the sameinitial temperature your hot bath will last ______ if you weresomehow able to increase the specific heat of the water?
a. a shorter time
b. a longer time
c. the same time
2. The Ehrenfest Dog/Flea problem is most similar to thefollowing experiment or problem:
a. a phase change problem
b. a calorimeter problem
c. a Bernoulli's principle problem
d. a specific heat problem
3. In polar areas we have ice floating on water and ice on land.Which of those will raise the sea level by melting?
a. both
b. floating ice melting will raise the sea level, land icemelting will not
c. floating ice melting will not raise the sea level, land icemelting will
d. neither
6. A hydraulic lift has a small cylinder with an area of 0.010m². The large cylinder of the lift has an area of 1,000m². If we put a weight of 100 Newtons on the cap of thesmall cylinger what is the upward force in the large cylinder?
a. 10,000 N
b. 100,000 N
c. One million N
d. ten million N
e 100 million N

Answer & Explanation Solved by verified expert

3.8 Ratings (445 Votes)

1 Note that more the specific heat more is the energy needed to change the temperature therefore If you have the same mass of water in a bathtub at the same initial See Answer

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