3 years ago

How is mass of the body measured ? Define one second ?

Physics

1 answer:

Studentka2010 [4]3 years ago

3 0

Answer:

It is based on weight and height. Weight (in kilograms) is divided by height (in meters squared)

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The International Space Station has a mass of 1.8 × 105 kg. A 70.0-kg astronaut inside the station pushes off one wall of the st

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Answer:

$a = 5.83 \times 10^{-4} m/s^2$

Explanation:

Since the system is in international space station

so here we can say that net force on the system is zero here

so Force by the astronaut on the space station = Force due to space station on boy

so here we know that

mass of boy = 70 kg

acceleration of boy = $1.50 m/s^2$

now we know that

$F = ma$

$F = 70(1.50) = 105 N$

now for the space station will be same as above force

$F = ma$

$105 = 1.8 \times 10^5 (a)$

$a = \frac{105}{1.8 \times 10^5}$

$a = 5.83 \times 10^{-4} m/s^2$

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The answer is letter b

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Answer:

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When you are dealing with velocity you always name the direction its going in

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The correct answer is:

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