A swimmer velocity in still water is 5 km/hr. A b

Question

A swimmer velocity in still water is 5 km/hr. A boat is going upstream with velocity of 12 km/hr (still water). Velocity of river is 2 km/hr. Find the direction and magnitude of velocity swimmer appeared to boat man. Swimmer is swimming across the river.Please answer properly.

Vanshika · Accepted Answer

The man swims perpendicular to flow of river.Speed of man= 5 kmph w.r.t. Water.IIII. water= 2 kmphThe vector component of downstream --------> added to both boatman and swimmer. While finding relative velocity, velocity of swimmer and boatman can be nullified.Relative velocity of swimmer wrt boatman.= velocity of swimmer - V of boatman(vector subtraction) Angle between 2 vectors -----------> 90 degree Magnitude ----------> √ 5 sq. + 12 sq. = √ 169 = 13 kmphDirection = tan^ -1 (12/5) to flow of water.

AIPMT> A swimmer velocity in still water is 5 km...

A swimmer velocity in still water is 5 km/hr. A boat is going upstream with velocity of 12 km/hr (still water). Velocity of river is 2 km/hr. Find the direction and magnitude of velocity swimmer appeared to boat man. Swimmer is swimming across the river.Please answer properly.

Aabha Misra , 6 Years ago

Vanshika

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AIPMT> A swimmer velocity in still water is 5 km...

A swimmer velocity in still water is 5 km/hr. A boat is going upstream with velocity of 12 km/hr (still water). Velocity of river is 2 km/hr. Find the direction and magnitude of velocity swimmer appeared to boat man. Swimmer is swimming across the river.Please answer properly.

Aabha Misra , 6 Years ago

Vanshika

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