the speed of boat on calm water is 25 km per hour. If the boat is moving on a river whose water flows at speed of 5 km per hour. Find the speed that boat as : a
Matematika
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Pertanyaan
the speed of boat on calm water is 25 km per hour. If the boat is moving on a river whose water flows at speed of 5 km per hour. Find the speed that boat as :
a. it is moving in yhe same direction as the water flow
b. it is moving againist the direction of the water flow
a. it is moving in yhe same direction as the water flow
b. it is moving againist the direction of the water flow
1 Jawaban
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1. Jawaban HagungSetyo
Vkapal = 25 m/s
Vsungai = 5 m/s
a. Searah arus
Vkapal + Vsungai
= 25 m/s + 5m/s
= 30 m/s
b. Berlawanan arus
Vkapal - Varus
= 25 m/s - 5 m/s
= 20 m/s
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