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JEE Main 18 March 2021, Shift 1, Physics Q30
Question 30 of 90 in this shift, Physics question 30 of 30, Section B.
A bullet of mass 0.1 kg is fired on a wooden block to pierce through it, but it stops after moving a distance of 50 cm into it. If the velocity of bullet before hitting the wood is 10 m/s and it slows down with uniform deceleration, then the magnitude of effective retarding force on the bullet is '' N.
The value of '' to the nearest integer is __________.
Official answer
10
NTA final key.
- Chapter
- Work, Energy and Power
- Idea tested
- Work Done by Non-Conservative Forces