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sergeinik [125]
3 years ago
8

A car moves down the street at 45 kph. The driver takes his foot off the gas pedal but does not brake. Which is the correct expl

anation as to why the car slows down.
Chemistry
1 answer:
nexus9112 [7]3 years ago
7 0
Answer: Friction.

Explanation: Even though the driver has taken the foot off thr gas pedal, the acceleration of the car decreases and the friction continues.

The car slows down because the opposite force of friction continues to act and the acceleration in forward direction is continuous decreasing. Hence, the car slows down.
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<u>Answer:</u> The amount of CO that is occupied in the room is 1.98\times 10^3L

<u>Explanation:</u>

We are given:

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V = volume of cuboid

l = length of cuboid = 10.99 m

b = breadth of cuboid = 18.97 m

h = height of cuboid = 11.89 m

V=10.99\times 18.97\times 11.89=2478.83m^3

Converting this into liters, by using conversion factor:

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So,  2478.83m^3=2.479\times 10^6L

Applying unitary method:

In 1 L of blood, the amount of CO present is 800\times 10^{-6}

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Hence, the amount of CO that is occupied in the room is 1.98\times 10^3L

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