A 2kg 0.5m radius hoop (MR^2) is rolling at 15 m/s. Then 750 joules of work was done on the object. What is the new translational velocity? 28 m A solid sphere has a an initial velocity of 25m/s what is its velocity as it reaches the top of the sphere? One it flies off the 28 m ledge how far horizontally will it go before landing?
A 2kg 0.5m radius hoop (MR^2) is rolling at 15 m/s. Then 750 joules of work was done on the object. What is the new translational velocity? 28 m A solid sphere has a an initial velocity of 25m/s what is its velocity as it reaches the top of the sphere? One it flies off the 28 m ledge how far horizontally will it go before landing?
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the question is meant to say top of the ramp
Transcribed Image Text:A 2kg 0.5m radius hoop (MR^2) is rolling at 15 m/s. Then 750 joules of work was done on the
object. What is the new translational
velocity?
28 m
A solid sphere has a an initial velocity of 25m/s
what is its velocity as it reaches the top of the
sphere? One it flies off the 28 m ledge how far
horizontally will it go before landing?
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We are given mass of hoop. We are also given radius of hoop. We are given linear speed of hoop. We are given work done on hoop. This work done is converted to kinetic energy of hoop. We hence find new velocity.
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