A car of weight 600 N is at rest. Another car of weight 420 N body moving to the left with a velocity of 12 m/s collides with the car which is at rest. After impact e car which is moving before impact comes to rest. Find the final velocity of body after impact and the coefficient of restitution.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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(a) A car of weight 600 N is at rest. Another car of weight 420 N body moving to the left with a velocity of 12 m/s collides with the car which is at rest . After impact
the car which is moving before impact comes to rest. Find the final velocity of body after impact and the coefficient of restitution.
(b)A vehicle of mass 13 tonnes runs into a buffer stop having three buffer springs connected in parallel each of 1150 kN/cm, 2850 kN/cm and 1350 kN/cm stiffness
respectively. Find the maximum compression of the springs, if the truck is travelling at 65 km/hr. Also calculate the load acting on the spring.
Transcribed Image Text:(a) A car of weight 600 N is at rest. Another car of weight 420 N body moving to the left with a velocity of 12 m/s collides with the car which is at rest . After impact the car which is moving before impact comes to rest. Find the final velocity of body after impact and the coefficient of restitution. (b)A vehicle of mass 13 tonnes runs into a buffer stop having three buffer springs connected in parallel each of 1150 kN/cm, 2850 kN/cm and 1350 kN/cm stiffness respectively. Find the maximum compression of the springs, if the truck is travelling at 65 km/hr. Also calculate the load acting on the spring.
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