A solid sphere (I=2/5MR^2) with a mass of 6 kg and radius of 0.4 starting from rest at the top of an inclined plane at 30 degrees and rolls to the bottom.the upper end of the ramp is 8m higher than the lower end . Find the speed of the sphere as it falls 6m of the ramp height

A solid sphere (I=2/5MR^2) with a mass of 6 kg and radius of 0.4 start

1.	A solid sphere (I=2/5MR^2) with a mass of 6 kg and radius of 0.4 starting from rest at the top of an inclined plane at 30 degrees and rolls to the bottom.the upper end of the ramp is 8m higher than the lower end . Find the speed of the sphere as it falls 6m of the ramp height
Answer» You should find that a solid object will ALWAYS roll down the ramp faster than a hollow object of the same shape (sphere or cylinder)—regardless of their exact mass or DIAMETER. ... (Although they have the same mass, all the hollow cylinder's mass is concentrated around its outer edge so its moment of inertia is HIGHER.)

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A solid sphere (I=2/5MR^2) with a mass of 6 kg and radius of 0.4 starting from rest at the top of an inclined plane at 30 degrees and rolls to the bottom.the upper end of the ramp is 8m higher than the lower end . Find the speed of the sphere as it falls 6m of the ramp height

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