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LekaFEV [45]
3 years ago
5

How many cups of water should you drink in a day?

Physics
1 answer:
Harrizon [31]3 years ago
6 0

Answer:

about 2.7liters for women and 3.7liters for men

Explanation:

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Centripetal force is the force that keeps the yoyo going in a circle, if the string breaks, the yoyo would would fly off in a direction that is different to the point on the circle.

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Make a free-body diagram of someone pushing a refrigerator that shows:
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A wave with a low frequency generally has a _____.
Artyom0805 [142]
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3 years ago
Bicyclists in the Tour de France do enormous amounts of work during a race. For example, the average power per kilogram generate
tigry1 [53]

Explanation:

It is given that,

Average power per unit mass generated by Lance, \dfrac{P}{m}=6.5\ W/kg

P=6.5\times 75=487.5\ W

(a) Distance to cover race, d = 160\ km =160\times 10^3\ m

Average speed of the person, v = 11 m/s

If t is the time taken to cover the race.

t=\dfrac{d}{v}

t=\dfrac{160\times 10^3\ m}{11\ m/s}

t = 14545.46 s

Let W is the work done. The relation between the work done and the power is given by :

P=\dfrac{W}{t}

W=P\times t

W=487.5\times 14545.46

W = 7090911.75 J

(b) Since, 1\ J=2.389\times 10^{-4}\ calories

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W = 1694.01 J

Hence, this is the required solution.

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3 years ago
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