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3 Dec 2020
On a frictionless surface, a block of mass M moving at speed v collides elastically with another block of the same mass M which is initially at rest. After the collision, the first block moves at an angle 
to its initial direction and has a speed 
. The second block’s speed after the collision is__
On a frictionless surface, a block of mass M moving at speed v collides elastically with another block of the same mass M which is initially at rest. After the collision, the first block moves at an angle to its initial direction and has a speed . The second block’s speed after the collision is__
Uttam SaikiaLv10
3 Dec 2020
