Answer:
The heat of vaporization 580 cal/g times 602g = cal in human and do the same for life form.
Explanation:
Answer:
333.3 m
Explanation:
Given
Potential energy =......Equation(1)
We know that
Potential energy=mgh
Kinetic energy =
Now From the Equation(1)
Answer:
(a)
(b)
Explanation:
<u>Given:</u>
- = The first temperature of air inside the tire =
- = The second temperature of air inside the tire =
- = The third temperature of air inside the tire =
- = The first volume of air inside the tire
- = The second volume of air inside the tire =
- = The third volume of air inside the tire =
- = The first pressure of air inside the tire =
<u>Assume:</u>
- = The second pressure of air inside the tire
- = The third pressure of air inside the tire
- n = number of moles of air
Since the amount pof air inside the tire remains the same, this means the number of moles of air in the tire will remain constant.
Using ideal gas equation, we have
Part (a):
Using the above equation for this part of compression in the air, we have
Hence, the pressure in the tire after the compression is .
Part (b):
Again using the equation for this part for the air, we have
Hence, the pressure in the tire after the car i driven at high speed is .
Answer:
C. 98 J
Explanation:
The appropriate formula is ...
PE = mgh . . . . . m is mass; below, m is meters
PE = (5 kg)(9.8 m/s^2)(2 m) = 98 kg·m^2/s^2
PE = 98 J