It takes more energy to climb straight up a steep slope to the top of hill than

Question

It takes more energy to climb straight up a steep slope to the top of hill than it does to hike up a gentle trail to the top of the same hill.
Ture? False?

It takes more power to climb up a steep slope to the top of a hill than it does to hike up a gentle trail to the top of the same hill.
Ture? False?

If you leave a 100 watt light bulb on for 10 hours, it has used 1 kilowatt-hour of electrical power.
Ture? False?


If you eat a Big mac that has 850 Calories, this is equivalent (at least theoretically) to



1. enough energy to heat 850,000 grams of water by 1 degree Celsius.

2. enough energy to heat 850 kilograms of water by 10 degrees Celsius.

3. enough fat to gain 8.5 grams of weight.

4. enough energy to heat 850 pounds of water by 1 degree Fahrenheit.

5. enough energy to heat 850 grams of water by 1 degree Celsius.

Explanation / Answer

false true true 4. enough energy to heat 850 pounds of water by 1 degree Fahrenhei

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