A dise of radius R 1 m rolls uniformly. without skidding on horizontal ground. The speed of its centre is v =0.5 m/s. Let A stand for the topmost point at t= 0 and B for the mid-point of the corresponding radius. a) At what time will the speed of point A first equal the speed of point B? b) Following on from part a) above, when the speed of point A first equals the speed of point B, what is this speed? c) Following on from part a) above, find the distance travelled by the centre of the disk up to the time when the speed of point A first equals the speed of point B.
A dise of radius R 1 m rolls uniformly. without skidding on horizontal ground. The speed of its centre is v =0.5 m/s. Let A stand for the topmost point at t= 0 and B for the mid-point of the corresponding radius. a) At what time will the speed of point A first equal the speed of point B? b) Following on from part a) above, when the speed of point A first equals the speed of point B, what is this speed? c) Following on from part a) above, find the distance travelled by the centre of the disk up to the time when the speed of point A first equals the speed of point B.
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Transcribed Image Text:A disc of radius R 1 m rolls uniformly.
without skidding on horizontal ground. The speed of its centre
is v =0.5 m/s. Let A stand for the topmost point at t= 0
and B for the mid-point of the corresponding radius.
a) At what time will the speed of point A first equal the
speed of point B?
b) Following on from part a) above, when the speed of point
A first equals the speed of point B, what is this speed?
c) Following on from part a) above, find the distance
travelled by the centre of the disk up to the time when the
speed of point A first equals the speed of point B.
B
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