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A cricket ball of mass 250 g collides with a bat with velocity 10 m/s and returns with same velocity within 0.01 seconds. The force acted on bat is
Options
(a) 25 N
(b) 50 N
(c) 250 N
(d) 500 N
Correct Answer:
500 N
Explanation:
Initial speed(u)=-10m/s
Final speed(v)= 10m/s
Mass (m)= 0.25kg
Time= 0.01 s
v=u+at
20= at
a= 2000 m/s²
F= ma
F= 0.25 x 2000
F= 25×20
F= 500 N
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Topics: Work Energy and Power
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Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An ideal gas is compressed to half its initial volume by means of several processes.
- The electric potential at a point (x,y,z) is given by V = – x²y – xz³ + 4.
- A particle moves in xy plane according to the equation x = 4t² + 5t + 16 and y = 5t
- The oscillating frequency of a cyclotron is 10 MHz. If the radius of its Dees is o.5 m,
- The physical quantity which does not have the same dimensions as the other three is
Topics: Work Energy and Power (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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