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g100num [7]
3 years ago
13

When a driver hits the brakes, his car decelerates from 50m/s at a uniform rate of 2.0m/s^2. His car stops after covering some d

istance. How long does it take him to stop?
Physics
1 answer:
Assoli18 [71]3 years ago
7 0

Please find attached photograph for your answer. Please do comment whether it is useful or not.

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An ant is crawling along a yardstick that is pointed with the 0-inch mark to the east and the 36-inch mark to the west. It start
11Alexandr11 [23.1K]

Given :

An ant is crawling along a yardstick that is pointed with the 0-inch mark to the east and the 36-inch mark to the west.

It starts at the 14-inch mark, crawls to the 20-inch mark, then moves to the 16-inch mark.

To Find :

The total distance the ant traveled.

Solution :

Total distance travelled by ant = (distance between 14 and 20 inch mark) +

                                                      (distance between 20 and 16 inch mark)

Total distance = (20-14 ) + ( 20-16) = 6 + 4 = 10 inch.

Therefore, total distance the ant traveled is 10 inch.

Hence, this is the required solution.

4 0
3 years ago
Using the formula d = rt, calculate the distance a car would travel at 80 mph for 2.5 hours.
hoa [83]

Using the formula,

d= v \times t

Here, d is distance, v is the velocity and t is time.

Given, v = 80 \ mile /hour and t = 2.5 \ hour.

Substituting these values in above formula, we get

d = 80 \ mile /hour \times 2.5 \ hour = 200 \ miles

Thus, the distance traveled by the car is 200 miles

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3 years ago
What is the electromagnetic spectrum and how is it used to gather information about
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Telescopes use lenses or mirrors to collect and focus waves from the electromagnetic spectrum, including visible light, allowing us to look at celestial objects. By studying the electromagnetic waves given off by objects such as stars, galaxies, and black holes, astronomers can better understand the universe.
3 0
3 years ago
The redshift of a star means that _____.
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The correct answer is D. the star is getting farther away.

When the light has red-shifted, it shows that everything is moving away from a certain point. This is known as the Doppler effect and proves the Big Bang (which would be the center point that everything is moving away from). Just as a 'for your information', blue shift is when the star is moving towards us.

Hope I helped :)
4 0
4 years ago
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Which of the following is the law of conservation of momentum?
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Answer: The answer would be C. Please give me a thanks :) bye!

Explanation:

6 0
3 years ago
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