Jalloresveniceidn
Answered

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Mar lifted 15-kg mango crane at a height of 2.3 m. If she was able to do it in 12 seconds, calculate the power of Mar.

Sagot :

HELPERNJidn

Answer:

To calculate Mar's power, we can use the formula:

Power = Work / Time

First, let's calculate the work done by Mar in lifting the mango crane. The work done is equal to the force exerted multiplied by the distance moved in the direction of the force.

Given:

Force (F) = Mass x Gravity

Mass = 15 kg

Gravity = 9.81 m/s² (acceleration due to gravity)

Distance (d) = Height = 2.3 m

Time (t) = 12 seconds

Now, let's calculate the force:

Force (F) = Mass x Gravity

F = 15 kg x 9.81 m/s²

F = 147.15 N

Next, let's calculate the work done:

Work = Force x Distance

Work = 147.15 N x 2.3 m

Work = 338.145 J

Now, let's calculate the power:

Power = Work / Time

Power = 338.145 J / 12 s

Power ≈ 28.179 W

Therefore, the power of Mar in lifting the 15-kg mango crane to a height of 2.3 m in 12 seconds is approximately 28.179 Watts.

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