Question

Rob drove to the nearest hospital with an average speed of v m/s in t seconds. If he drives home on the same path, but with an average speed of 3v m/s, how long is the return trip home in terms of t?​

Answer 1

Answer:

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Explanation:

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Answer 2

The answer is t/3 seconds.

GIVEN

Rob drove to the nearest hospital with an average speed of v m/s in t seconds. He drives home on the same path, but with an average speed of 3v m/s

TO FIND

How long is the return trip home in terms of t?

SOLUTION

We can simply solve the above problem as follows;

It is given,

Average speed of Rob to reach hospital = v m/s

Time taken = t seconds.

Applying the formula to calculate the distance covered by Rob

Distance = speed × time

Distance covered by Rob = vt meters.

Now,

Speed of Rob from hospital to Home = 3v m/s

Distance = vt meters.

Solving for time,

Time = Distance/speed.

putting the values in the above formula we get,

Time = vt/3v

Time = t/3 seconds.

Hence, The answer is t/3 seconds.

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