TS EAMCET 2015 Solved Paper

Section: Physics

Question : 117 of 160

Marks: +1, -0

Hammer of mass M stricks a nail of mass ‘m’ with a velocity 20m/s into a fixed wall. The nail penetration into the wall to a depth of 1cm. The average resistance of the wall to the penetration of the nail is

(
M2
M+m
)×103
2M2
M+m
×104
M+m
M2
×102
M2
M+m
×102

Validate

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