A52 kg woman cheats on her diet and eats a 540 kcal jelly donut for breakfast. (a) how many joules of energy are the equivalent of one jelly doughnut? (b) how many stairs must the woman climb to perform an amount of mechanical work equivalent to the food energy in one jelly doughnut?
Answers: 3
Physics, 22.06.2019 10:00
One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
Answers: 2
Physics, 23.06.2019 06:20
Which statements best describe energy? check all that apply. the total amount of energy in the universe remains constant. the total amount of energy in the universe changes constantly. energy cannot be converted from one form to another. energy can be converted from one form to another. energy cannot be created or destroyed. energy can be created or destroyed.
Answers: 1
Physics, 23.06.2019 08:00
Aball is rolled uphill a distance of 5 m before it slows, stops, and begins to roll back. the ball rolls downhill 9 m before coming to rest against a tree. what is the magnitude of the balls displacement? a. 4 meters b. 9 meters c. 14 meters d. 45 meters
Answers: 2
A52 kg woman cheats on her diet and eats a 540 kcal jelly donut for breakfast. (a) how many joules o...
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