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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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- Three identical spheres, each of mass 3 kg are placed touching each other
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Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In Young’s double slit experiment with sodium vapour lamp of wavelength
- Three identical spheres, each of mass 3 kg are placed touching each other
- If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
- Dimensional formula for electrical resistance R is given by
- A step-down transformer has 50 turns on secondary and 1000 turns on primary winding.
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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