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katen-ka-za [31]
3 years ago
11

Joy uses 20N of force to shovel the snow 10 meters. How much work does she do

Physics
1 answer:
Karolina [17]3 years ago
8 0
Work, in physics, is said to be done when a certain force applied to an object would result to the movement of the object from one point to another. To calculate, we multiply the force with the displacement. We do as follows:

Work = 20 N (10 m) = 200 Nm or 200 J
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3 years ago
Electrical energy is used to turn the blades of a fan. The amount of energy transformed is seen here: 750 j electrical energy is
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Here is the energy that is left after the quantity of energy is transformed: 750 j of electrical energy is changed into 400 j of kinetic or mechanical energy, which is then turned into 0.32 j of efficient energy.

To run the fan, electrical energy is utilized.

Here, under the specified circumstances, 750 J of electrical energy is utilized to operate the fan, which is transformed into 400 J of kinetic energy. As a result, 350 J of energy is wasted due to various frictional and resistive losses.

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