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Alex787 [66]
3 years ago
6

Ну car has 4 wheels is a observation. * 1 point O Quantitative Qualitative

Physics
1 answer:
sergiy2304 [10]3 years ago
7 0
Quantitative because it tells you how many wheels
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You observe two cars traveling in the same direction on a long, straight section of Highway 5. The red car is moving at a consta
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Answer:

a) 3.66 s

b) 124.4 m

c) 3.12s

Explanation:

Given that

Speed of the Red Car, v₁ = 34 m/s

Speed of the Blue Car, v₂ = 28 m/s

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The difference between the speed of the cars is: 34 - 28 = 6 m/s

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1)

If we divide the distance by the difference in speed. This becomes

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2

From the previous part, we were able to confirm that it took 3.66 seconds for the red car to meet up the blue car. Also, the speed with which it were traveling was travelling at, was constant, so we only need to multiply it by the time from (1) to get the distance.

v = d * t = 34 * 3.66 = 124.4

Therefore the red car travels at 124.4 m before catching up to the blue car.

3

If the red car starts to accelerate the moment we see it, the time it will take, to get to the blue car will be less than what we had gotten. We can find this using one of the equations of motion.

S = ut + ½gt², where

S = 22

u = 6

t = ?

g = 2/3

22 = 6t + 1/3t²

By using the quadratic formula, we find out the two answers listed below

t1 = 3.12 s

t2 = - 21.12 s

We all know that negative time is not possible, so the answer is t1. At 3.12 seconds

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