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Katena32 [7]
3 years ago
8

Running on a treadmill is slightly easier than running outside because there is no drag force to work against. suppose a 60 kg r

unner completes a 5.0 km race in 16 minutes.
Physics
1 answer:
professor190 [17]3 years ago
7 0
So it will take 5 minutes if a person running on a treadmill so it will be easy. 
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A straightforward method of finding the density of an object is to measure its mass and then measure its volume by submerging it
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Incomplete question as the unit of volume is not written correctly.So the complete question is here:

A straightforward method of finding the density of an object is to measure its mass and then measure its volume by submerging it in a graduated cylinder. What is the density of a 240-g rock that displaces 89.0 cm³?

Answer:

d_{Density}=2.7g/cm^{3}

Explanation:

Given data

Mass m=240g

Volume V=89.0 cm³

To find

Density d

Solution

If rock displaces 89.0 cm³ of water means volume of rock is also 89cm³

So

d_{Density}=\frac{mass}{volume}\\d_{Density}=\frac{240g}{89.0cm^{3} } \\d_{Density}=2.7g/cm^{3}

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