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A car of mass 2000 kg moves round a curve of radius 250 m at 90 km/hr. Compute its i. angular speed ii. centripetal acceleration iii. centripetal force.

xavier , 8 Years ago
Grade 12th pass
anser 1 Answers
Arun

Last Activity: 4 Years ago

veloctiy = Radius* Angular Velocity
 
velocity=90*5/18 m/s
 
velocity=25 m/s
 
angular velocity = velocity/radius=25/250=0.1 rad/s
 
centripetal acceleration = angular velocity ^2 * radius = 0.01 *250 =2.5 m/s^2
 
centripetal force = m* centripetal acceleration = 2000*2.5 =5000 N
 
 

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