Physics: Alvin paddled for 44 hours with a 33-km/h current to reach a campsite. The return trip against the same current took 77 hours. Find the speed of the boat in still water.

Alvin paddled for 44 hours with a 33-km/h current

17jhester1

18.01.2022

121km/h

Explanation:

Let speed of boat=xkm/h

Speed of water flow=33 km/h

Speed upstream=(x-33)km/h

Speed downstream=(x+33)km/h

Time=44 hrs

Time =77 hrs

We have to find the speed of boat.

$Distance=Speed\times time$

Using the formula

Upstream distance=Downstream distance

$(x-33)\times 77=(x+33)\times 44$

77x-2541=44x+1452

77x-44x=1452+2541

33x=3993

$x=\frac{3993}{33}=121$

Hence, the speed of boat=121km/h

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adamkinney9345

12.02.2022

that is a prediction for a future experiment based on previous experiment results.

(guessing what will happen in the future experiment based on the results of the past experiments)

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