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mihalych1998 [28]
2 years ago
13

Man is walking due east at the rate of of 4kmph and the rain is falling 30° east of vertical with a velocity of 6kmph the veloci

ty of rain relative to the man will be?
​
Physics
1 answer:
Tresset [83]2 years ago
7 0

Answer:

No answer

Explanation:

no explanation

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The angular speed of the device is 1.03 rad/s.

<h3>What is the conservation of angular momentum?</h3>

A spinning system's ability to conserve angular momentum ensures that its spin will not change until it is subjected to an external torque; to put it another way, the rotation's speed will not change as long as the net torque is zero.

Using the conservation of angular momentum

L_{i}=L_{f}

Here,  = the system's angular momentum before the collision

L_{i} = 0 + mv

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= 1.692 kgm²/s

The moment of inertia of the system is given by

I = 2(M₁R₁² + M₂R₂²)+ mR₁²

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= 1.6292 kgm²

Here,  = Iω

So,

1.692 = 1.6292(ω)

ω = 1.03 rad/s

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The magnetic force on a current-carrying wire is perpendicular to both the wire and the magnetic field with direction given by the right hand rule.

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The answer is B! :) Hope it helped
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