Question

A wheel has angular acceleration of 3 rad/ and an initial angular speed of 10 rad/sec in a time of 4 sec it has rotated through an angle of​

Answer 1

Answer:

symbol - a= angular accelration , w= angular velocity , t= time, d= angular displacement or rotation ))  

a = 3 rad/sec^2  

w = 2rad/sec  

t = 2sec  

d= ?  

by 2nd equation of rotation  

d = w×t. + 1/2(a×t^2)  

d= 2×2 +. 1/2(3×2^2)  

d= 4 + 1/2(3×4)  

d= 4 + 6  

d= 10 rad. ans

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Answer 2

Answer:

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