Answer:
C. Heat
Explanation:
HEAT is energy that is transferred due to a difference in temperatures.
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The weight of the load is (mass) x (gravity).
The work done to lift it is (weight) x (distance) = (mass) x (gravity) x (distance)
The power is (work)/(time) =
(mass) x (gravity) x (distance) / (time) =
(500 kg) x (9.8 m/s²) x (12 m) / (1 sec) =
(500 x 9.8 x 12 / 1) (kg-m / sec²) (m) / (sec) =
(500 x 9.8 x 12 / 1) newton - meter / sec =
(500 x 9.8 x 12 / 1) joule / sec =
58,800 watts
= <em>58.8 kW</em>
= about 78.8 horsepower
Answer:
Wave frequency
Explanation:
Wave frequency is the number of waves that pass a fixed point in a given amount of time.
The wind speed is 20
the plane is 430mph in still air