Question

Two balls of same mass 100g each 1 was made up of mud another was pith ball at a incident both fall from height 10m,if the reaction time for the both ball is 0.5 second. Mud ball stitch with ground whether pith ball rebounce back with velocity of 2m/s then,calculate force applied by the each ball to the ground.Take gravity 10m/s.​

Answer 1

Answer:

Correct option is

A

5I1=6I2

Velocity before strike is u=29h

I 

bounces to h/4

so velocity after bouncing was ins

given by 4h=29v2

⇒V=29h=2u

chance in velocity =−2u−u

= final - initial.

final taken as -ve because

direction changed.

so chores in momentum △P=M△V=−23mu

impulse =F△t=△P=2−3mu=I1

II ball u=29u

bonces to h/16⇒10h=29v2

⇒v=429h=4u

⇒△v=

Answer 2

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