3 years ago

Why don't we use the metric system?

Physics

1 answer:

alexandr1967 [171]3 years ago

7 0

The metric system is harder for some people to understand

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Football player 1 has a mass of 80 kg and a velocity of 2 m/s east while player 2 has a mass of 70 kg and a velocity of 3 m/s we

sukhopar [10]

The total momentum of the system is equal to 50 Kgm/s.

Given the following data:

Mass 1 = 80 kg

Velocity 1 = 2 m/s east.

Mass 2 = 70 kg

Velocity 2 = 3 m/s west.

To determine the total momentum of the system:

Mathematically, momentum is given by the formula;

$Momentum = mass \times velocity$

For Football player 1:

$Momentum = 80 \times 2$

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For Football player 2:

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Momentum 1 = 210 Kgm/s.

Now, we can calculate the total momentum of the system:

$Total\;momentum = momentum \;2 - momentum \;1\\\\Total\;momentum = 210-160$

Total momentum = 50 Kgm/s.

Note: We subtracted because the football players were moving in opposite directions.

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A runner covers 40 m in 4.55 seconds ,what is their average velocity?

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You are presently taking a weather observation. The sky is full of wispy cirrus clouds estimated to be about 10 km overhead. If

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Answer:

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Explanation:

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x = ?

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