Box 1 and box 2 are whirling around a shaft with a constant angular velocity of magnitude ω. box 1 is at a distance d from the central axis, and box 2 is at a distance 2d from the axis. you may ignore the mass of the strings and neglect the effect of gravity. express your answer in terms of d, ω, m1 and m2, the masses of box 1 and 2. (a) calculate tb, the tension in string b (the string connecting box 1 and box 2). (b) calculate ta, the tension in string a (the string connecting box 1 and the shaft).

a) TB = m2 * w^2 * 2*d

b) TA = m1 * w^2 * d + m2 * w^2 * 2*d

Explanation:

The tension on the strings will be equal to the centripetal force acting on the boxes.

The centripetal force is related to the centripetal acceleration:

f = m * a

The centripetal acceleration is related to the radius of rotation and the tangential speed:

a = v^2 / d

f = m * v^2 / d

The tangential speed is:

v = w * d

Then

f = m * w^2 * d

For the string connecting boxes 1 and 2:

TB = m2 * w^2 * 2*d

For the string connecting box 1 to the shaft

TA = m1 * w^2 * d + m2 * w^2 * 2*d

radiation

explanation:

heat is transmitted by radiation

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