Answer: The two answers are the machine will require an input greater than 100 ft.-lbs. And the other is The machine may accomplish the task faster than manual work.
Hope this help :3
Answer:
1 mole of H2O is 18 grams (2 g H + 16 g Oxygen)
36 / 18 = 2
So 2 moles = 2 * 6.02E23 = 12.04E23 = 1.204E24
C
The potential energy is mgh, she knows the mass, she needs the acceleration due to gravity and the height of the ball
Answer:
The power to maintain constant temperature is 18.56kW
Explanation:
Given
Required
Determine the power to maintain constant temperature
The power to maintain a constant temperature is the difference between heat loss and gain
i.e.
This gives:
Convert Btu/h to kW
So:
<em>Hence;</em>
<em>The power to maintain constant temperature is 18.56kW</em>