Question

A body moving with a velocity of 5m/s undergoes a uniform acceleration of 10m/s^2. How far does the body move in 4 seconds and what is its velocity after that time?​

Answer 1

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Answer 2

Answer:

The correct answer of this question is  $100m = s$

Explanation:

Given - A body moving with a velocity of 5m/s undergoes a uniform acceleration of 10m/s^2

To Find - Write how far does the body move in 4 seconds and what is its velocity after that time?​

Now, according to the question -

$v = u +at$

$v^{2} - u^{2} = 2as$

Now,

$v = u +at$

$v = 5 + (10). (4)$

$v = 5 +40 \\v = 45m/s$

$v^{2} - u^{2} = 2as$

$2025 - 25 = 2 (10) (5)\\2000 = 20s \\s = \frac{2000}{20} \\s = 100m$

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