ROYMOLISON ROYMOLISON

29-05-2020
Mathematics

contestada

A boat needs to travel south at speed of 20km/h. A constant current of 6km/h is flowing from the south-east. Find the resultant speed of the boat?

Respuesta :

saidusalihuishaq1990 saidusalihuishaq1990

29-05-2020

Answer:

26km/hr twenty six kilometres per hour

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PollyP52 PollyP52

29-05-2020

Answer:

15.76 km/h.

Step-by-step explanation:

Th current is flowing against the flow of the boat.

Resultant speed of the boat = 20 - the resultant speed of the current in the north direction

= 20 - 6 cos45

= 15.76 km/h.

Answer Link

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