2 years ago

PLS HELP I KNOW IT LOOKS LIKE AN ANSWER WAS ALREADY CHOSEN BUT I NEED HELP PLS I WILL GIVE YOU ANYTHING

Physics

1 answer:

Neporo4naja [7]2 years ago

8 0

Answer:

the 2nd one, no atmosphere to see through

Explanation:

it doesnt really need an explanation its like using a telescope to see something inside of fog versus with no fog

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Marissaâs car accelerates uniformly at a rate of +2.60 m/sÂ². How long does it take for Marissaâs car to accelerate from a speed

DIA [1.3K]

Answer:

The time taken by the car to accelerate from a speed of 24.6 m/s to a speed of 26.8 m/s is 0.84 seconds.

Explanation:

Given that,

Acceleration of the car, $a=+2.6\ m/s^2$

Initial speed of the car, u = 24.6 m/s

Final speed of the car, v = 26.8 m/s

We need to find the time taken by the car to accelerate from a speed of 24.6 m/s to a speed of 26.8 m/s. The acceleration of an object is given by :

$t=\dfrac{v-u}{a}$

$t=\dfrac{(26.8-24.6)\ m/s}{2.6\ s}$

t = 0.84 seconds

So, the time taken by the car to accelerate from a speed of 24.6 m/s to a speed of 26.8 m/s is 0.84 seconds. Hence, this is the required solution.

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3. Work out the mass if an object is accelerated at <br> 10 m/s2 and has a weight of 98N.

elena-14-01-66 [18.8K]

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2 years ago

If a particle's position is given by x=4-12t+3t^2, where t is in seconds and x is in meters, what is its velocity at t=1 second?

andreyandreev [35.5K]

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Explanation:

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Answer:

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2 years ago