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Maksim231197 [3]

3 years ago

14

Which of the following describes the relationship between the weight of fluid displaced by an object and the buoyant force exert

ed on the object?

1 answer:

PilotLPTM [1.2K]3 years ago

6 0

Answer:

Archimedes' principle

Explanation:

apex

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Because it can go from rest to 14.2 m/s (about 32 mi/h) in 2.1 s, one of the fastest-accelerating animals is the cheetah. If its

TEA [102]

Answer:

(a) $P_{power}=2688.53Watt$

(b) $P_{power}=3.605hp$

Explanation:

For part (a)

As we know that

$P_{power}=\frac{W_{work}}{t_{time}}\\As\\ W=1/2(mv_{f}^{2}-mv_{o}^{2} )So\\P_{power}=\frac{1/2(mv_{f}^{2}-mv_{o}^{2} )}{t}\\ P_{power}=\frac{1/2(56.0kg*(14.2m/s)^2-56.0kg*(0m/s)^2)}{2.1s} \\P_{power}=2688.53Watt$

For part (b)

The power in unit of horsepower is:

$P_{power}=(2688.53Watt)(\frac{1hp}{745.7Watt} )\\P_{power}=3.605hp$

6 0

3 years ago