science

Grade-11

Easy

Question

A man is walking in the rain with the speed of 6 m/s in the west direction, and it is raining vertically downwards with the speed of 3 m/s. Find the direction of the person umbrella so that the rain doesn't wet him.

64
32
65
55

hint Hint:

64°

The correct answer is: 64

OP = V_r + (-V_m) = V_r - V_m = V_rm
$tan theta space equals space P over B space equals space fraction numerator plus 6 over denominator 3 end fraction space equals space plus 2 space tan theta space equals space plus 2 theta space equals space tan to the power of negative 1 end exponent space left parenthesis space plus 2 right parenthesis space theta space equals space 64 to the power of omicron$
Therefore, a person should hold his umbrella at an angle of 64° at the verticle so that rain does not wet him.

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A man is walking in the rain with the speed of 6 m/s in the west direction, and it is raining vertically downwards with the speed of 3 m/s. Find the direction of the person umbrella so that the rain doesn't wet him.

64326555

64°

The correct answer is: 64

OP = Vr + (-Vm) = Vr - Vm = VrmTherefore, a person should hold his umbrella at an angle of 64° at the verticle so that rain does not wet him.

Related Questions to study

A man is walking in the rain with the speed of 4 m/s in the west direction, and it is raining vertically downwards with the speed of 4 m/s. Find the direction of the person’s umbrella so that the rain does not wet him.

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64
32
65
55

Let us consider two cars, A and B, are moving with constant acceleration 4 m/s² and constant velocity 6 m/s with t = 0 s, both cars are 20 m apart, car A is behind car B, find the time when car A overtakes car B.

Let us consider two cars, A and B, are moving with constant acceleration 4 m/s² and constant velocity 6 m/s with t = 0 s, both cars are 20 m apart, car A is behind car B, find the time when car A overtakes car B.

Let us consider two cars, A and B, are moving with a constant acceleration of 2 m/ s² and a constant velocity of 3 m/s with t=0 s. Bo the cars are 12 m apart, car A is behind car B. Find the time when car A overtakes car B.

Let us consider two cars, A and B, are moving with a constant acceleration of 2 m/ s² and a constant velocity of 3 m/s with t=0 s. Bo the cars are 12 m apart, car A is behind car B. Find the time when car A overtakes car B.