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2 years ago

15

if somebody swim to the right for 30 meters then swims to left for 15 meters and then swims back to the right for 50 meters what

s is the person displacement

1 answer:

zubka84 [21]2 years ago

8 0

50m

Explanation:

Displacement is the length of path traveled which is measured from start to the finishing of the path.

Analysis of the journey;

Starts from:

0 30m from right

15m to left

50m to right

The displacement is 50m from the starting point.

Distance is total path traveled and for this problem it is 30+ 15 + 50 = 95m

learn more:

displacement brainly.com/question/5461768

#learnwithBrainly

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Answer:

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Explanation:

Given

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Required

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Subtract 30.2 from both sides

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$t = \frac{-7.70\±\sqrt{7.70^2 - 4*4.9*-30.2}}{2*4.9}$

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$t = \frac{-7.70\±25.52}{9.8}$

Split the expression

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Time can't be negative; So, we have:

$t = \frac{17.82}{9.8}$

$t = 1.82$

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