Concept map for kinetic energy, work and power
1 answer:
Kinetic energy: the energy of motion
Work: the change in kinetic energy
Power: the rate of work done
Explanation:
The kinetic energy of an object is the energy possessed by the object due to its motion. Mathematically, it is given by:
where
m is the mass of the object
v is its speed
The work done an object is the amount of energy transferred; according to the energy-work theorem, it is equal to the change in kinetic energy of an object:
where
is the final kinetic energy
is the initial kinetic energy
Finally, the power is the rate of work done per unit time. Mathematically, ti can be expressed as
where
W is the work done
t is the time elapsed
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Answer:
Explanation:
The equation relating the the enthalphy, pressure and temperature is expressed as
Where P is the pressure, H is the enthalphy, and T is the temperature.
since the given values are
if we insert values, we arrive at