Which of the following is true?
1.1 calorie = 1 Calorie
2.1000 calories = 1 Calorie
3.1 calorie = 1000 calories
4.1 Calorie = 4.186 J
2
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Explain the stage in which the solar system formed pretty much in a plane
What will be an ideal response?
Which is the largest planet?
A. Uranus B. Jupiter C. Earth D. Neptune E. Saturn
What material makes up most of Jupiter's volume, and why is it not found here?
What will be an ideal response?
An apparatus for measuring the mechanical equivalent of heat uses a crank to turn a small aluminum cylinder, which is being retarded by a belt
Friction with the belt heats up the cylinder, and the work done is then set equal to the heat gained by the cylinder. In one such experiment, the radius of the cylinder is 3.00 cm, the tension on one side of the belt is 50.0 N and on the other it is zero N. How much work is done turning the crank 212 times? A) 2000 J B) 4000 J C) 19600 J D) 637 J E) 9800 J