9. A ball rolling on ice with a velocity of 5-6 m/s stops after travel

1.	9. A ball rolling on ice with a velocity of 5-6 m/s stops after travelling 8 m. If g = 9.8 m/s2,coefficient of friction is :(a) 0.1(b) 0.2(d) 0.410. A particle will leave a vertical circle of radius r, when its velocity at the lowest point of thecircle is(a) √2gr. (b) √5gr(c)√3gr
Answer» 9. 0.1 10. $\sqrt{2} gr$

9. A ball rolling on ice with a velocity of 5-6 m/s stops after travelling 8 m. If g = 9.8 m/s2,coefficient of friction is :(a) 0.1(b) 0.2(d) 0.410. A particle will leave a vertical circle of radius r, when its velocity at the lowest point of thecircle is(a) √2gr. (b) √5gr(c)√3gr

Answer»

9. 0.1

10.

$\sqrt{2} gr$

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9. A ball rolling on ice with a velocity of 5-6 m/s stops after travelling 8 m. If g = 9.8 m/s2,coefficient of friction is :(a) 0.1(b) 0.2(d) 0.410. A particle will leave a vertical circle of radius r, when its velocity at the lowest point of thecircle is(a) √2gr. (b) √5gr(c)√3gr​

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9. A ball rolling on ice with a velocity of 5-6 m/s stops after travelling 8 m. If g = 9.8 m/s2,coefficient of friction is :(a) 0.1(b) 0.2(d) 0.410. A particle will leave a vertical circle of radius r, when its velocity at the lowest point of thecircle is(a) √2gr. (b) √5gr(c)√3gr