Important Questions for Class 11 Physics Chapter 3 Motion in a Plane

important questions class 11 physics chapter 3 motion plane 1

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A chain is held on a frictionless table with

{(\frac{1}{n})}^{t h}

of its length hanging over the edge. If the chain has length L and mass M, how much work is required to pull the hanging part back on the table?

\frac{M g L}{2 n^{2}}

\frac{M g L}{n^{2}}

3 \frac{M g L}{2 n^{2}}

\frac{M g L}{6 n^{2}}

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A 0.5 kg block slides from the point A on a horizontal track with an initial speed 3 m/s towards a weightless horizontal spring of length 1 m and force constant 2 N/m. The part AB of the track is frictionless and the part BC has the coefficient of static and kinetic friction as 0.22 and 0.20 respectively. If the distance AB and BD are 2 m and 2.14 m respectively ,then the total distance through which the block moves before it comes to rest completely is –[g = 10 m/s2].

0.1 m

0.2 m

1.0 m

2.0 m

Chapter 3 - Motion in a Plane

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