A body of mass 2 kg colloids with a wall with speed
100m/s and rebounds with the same speed the force
exerted on the wall is 2x104 N, the time of contact
is
a) 1/50 sec b) 1/25 sec c) 1/60 sec d) 1 sec
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A body of mass 2 kg colloids with a wall with speed
100m/s and rebounds with the same speed the force
exerted on the wall is 2x104 N, the time of contact
is
a) 1/50 sec b) 1/25 sec c) 1/60 sec d) 1 sec
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*Answer
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U = 0 m/s
v = 100m/$
t = 1/50
secusing first equation of motion
v = u+at
=> 100 = 0+a(1/50)
100 = a/50
=> 5000 m/s²
force = mass × acceleration
force = (2 × 5000) N
= 10000 newtons
✌️✌️hope this helps
Explanation:
10000 Newton's
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