2 years ago

What type of energy transformation takes place in bicycle.

1 answer:

4 0

Answer: mechanical energy

Explanation: pedaling the bike is transforming chemical energy, supplied by the breakdown of the food you eat, into mechanical energy to turn the pedals. The chemical energy is potential and the mechanical energy is kinetic.

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A hoist lifts a 1200 N object a vertical distance of 15 m in 15 s. 18,000 J of work is done on the object to raise it at a const

VladimirAG [237]

Answer:

1,200 W

Explanation:

18,000 J / 15s = 1,200 W

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2 years ago

You are pulling a child in a wagon. The rope handle is inclined upward at a 60∘ angle. The tension in the handle is 20 N.How muc

ahrayia [7]

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The first and second coils have the same length, and the third and fourth coils have the same length. They differ only in the cr

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$\frac{R_2}{R_1}=\frac{A_1}{A_2}\\\frac{R_4}{R_3}=\frac{A_3}{A_4}$

Explanation:

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$R=\frac{\rho L}{A}$