A solid sphere of radius R is set into motion on a rough horizontal su

1.	A solid sphere of radius R is set into motion on a rough horizontal surface with a linear speed v0 in forward direction ad an angular velocity ω0=v02R in counter clockwise direction as shown in figure. If co-efficient of friction is μ, then find(i)The time after which sphere starts pure rolling,(ii)The work done by friction over a long time
Answer» A solid sphere of radius R is set into motion on a rough horizontal surface with a linear speed $v_{0}$ in forward direction ad an angular velocity $ω_{0} = \frac{v_{0}}{2 R}$ in counter clockwise direction as shown in figure. If co-efficient of friction is $μ$ , then find (i)The time after which sphere starts pure rolling, (ii)The work done by friction over a long time

A solid sphere of radius R is set into motion on a rough horizontal surface with a linear speed v0 in forward direction ad an angular velocity ω0=v02R in counter clockwise direction as shown in figure. If co-efficient of friction is μ, then find(i)The time after which sphere starts pure rolling,(ii)The work done by friction over a long time

Answer»

A solid sphere of radius R is set into motion on a rough horizontal surface with a linear speed $v_{0}$ in forward direction ad an angular velocity $ω_{0} = \frac{v_{0}}{2 R}$ in counter clockwise direction as shown in figure. If co-efficient of friction is $μ$ , then find

(i)The time after which sphere starts pure rolling,

(ii)The work done by friction over a long time

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