Answer:
The specific heat capacity is q_{L}=126.12kJ/kg
The efficiency of the temperature is n_{TH}=0.67
Explanation:
The p-v diagram illustration is in the attachment
T_{H} means high temperature
T_{L} means low temperature
The energy equation :
= R* 
in(
/
)
The specific heat capacity:
=q_{h}*(T_{L}/T_{H})
q_{L}=378.36 * (400/1200)
q_{L}=378.36 * 0.333
q_{L}=126.12kJ/kg
The efficiency of the temperature will be:
=1 - (
/
)
n_{TH}=1-(400/1200)
n_{TH}=1-0.333
n_{TH}=0.67
Answer:
a. A dissipative interaction permits a two-way conversion between kinetic and potential energies.
FALSE
in dissipative type of forces energy is not conserved so it is not possible
b. A nondissipative interaction permits a two-way conversion between kinetic and potential energies.
TRUE
in non dissipative type of force there is no energy loss so we can use energy conservation
c. A potential energy function can be specified for a dissipative interaction.
FALSE
Here potential energy is not defined for dissipative type of forces
d. A potential energy function can be specified for a nondissipative interaction.
TRUE
negative gradient of potential energy is equal to non dissipative type of forces
Answer:
The natural pH of sea water is between 7.5 and 8.4 (Mildly Alkaline)
Hope this helps :)
Have a great day !
5INGH
Explanation:
Answer:
The temperature of the brakes is 29.38°C.
Explanation:
Given that,
Mass of car = 750 kg
Speed = 23 m/s
Mass of iron = 15 kg
We need to calculate the kinetic energy of car
Using formula of kinetic energy
We need to calculate the temperature of the brakes
Using formula of energy
Put the value into the formula
Hence, The temperature of the brakes is 29.38°C.
The work input is the work done on a machine. (Input work)
