A partcle rests on the top of a hemisphere of radiu R. Find the smallest horizontal…
Physics · JEE Advanced · NTA Exams — Rotational Motion
A partcle rests on the top of a hemisphere of radiu R. Find the smallest horizontal velocity that must be imparted to the particle if it is to leave the hemisphere without sliding down it-
- \(\sqrt{\mathrm{gR}}\)
- \(\sqrt{2 \mathrm{gR}}\)
- \(\sqrt{3 \mathrm{gR}}\)
- \(\sqrt{5 \mathrm{gR}}\)
Answer
(A) gR
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- From a circular disc of radius R and mass 9M , a small disc of radius R/3 is removed from the disc. The…
- A penguin of mass m falls from rest at point A. At horizontal distance d from the origin O (A) What is the…
- A body of mass m slides down an incline and reaches the bottom with a velocity u. If the same body were in…
- Two moving particles p and Q are 10 m apart at a certain instant. The velocity of P is 8 m/s making 30º with…
- A uniform beam of length L whose mass ‘m’ is 1.8 kg rests with its ends on two digital scales, as in figure…
- The vertical section of a road over a canal bridge in the direction of its length is in the form of circle of…
- A mass of 2.9 kg, is suspended from a string of length 50 cm, and is at rest. Another body of mass 100 gm is…
- A car is moving with a speed of 30 m/sec on a circular path of radius 500 m. Its is increasing at the rate of…
More Rotational Motion questions · Browse all practice questions