CBSE Class 11-science Answered
a stone tied to a string 80 cm long is whirled in horizontal circle with constant speed.if stone makes 14 revs in 25 sec,what is the magnitude and direction of acceleration?
Asked by | 28 Jan, 2012, 01:12: PM
Expert Answer
Frequency of the revolution=14/25,
radius of the circle= 80 cm.
acceleration=r w2
w=2 *pi* f
put the values and get the answer, if you dont get you can ask again.
Answered by | 30 Jan, 2012, 09:58: AM
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