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Physics

Answered

a solid sphere of mass and radius 20kg and 4m is rotating with an angular velocity of 40rad/sec is accelerated uniformly to 60rad/sec in 2sec what is the torque acting on the sphere? (I=0•4MR^2)

Answer :

SWEKSHYAKARNA738IN SWEKSHYAKARNA738IN

Answer:

1280Nm

Explanation:

torque= I×alpha(angular acceleration)

so Angular acceleration is found by the following process.

View image SWEKSHYAKARNA738

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