Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Work Energy and Power question

2016 · Q144
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /NEET
  3. /Physics
  4. /Work Energy and Power
  5. /2016 · Q144

Work Energy and Power question

2016 · Q144

NEETPhysicsWork Energy and PowerMCQ+4 / −1
A particle of mass 10 g moves along a circle of radius 6.4 cm with a constant tangential acceleration. What is the magnitude of this acceleration if the kinetic enegy of the particle becomes equal to 8 ×\times× 10−-−4 J by the end of the second revoluation after the beginning of the motion ?
  1. A
    0.18 m/s2
  2. B
    0.2 m/s2
  3. C
    0.1 m/s2
  4. D
    0.15 m/s2
PreviousNext

More from Work Energy and Power

  • A body of mass 1 kg begins to move under the action of a time dependent force F=(2ti+3t2J)N, where i and j​ are unit vectors along x and y axis. What…2016 · MCQ
  • What is the minimum velocity with which a body of mass m must enter a vertical loop of radius R so that it can complete the loop?2016 · MCQ
  • A particle moves from a point (−2i+5j​) to (4j​+3k) when a force of (4i+3j​) N is applied. How much work has been done by…2016 · MCQ
  • Two particles A and B, move with constant velocities v1​​ and v2​​. At the initial moment their position vectors are r1​​ and r2​​…2015 · MCQ
  • A ball is thrown vertically downwards from a height of 20 m with an initial velocity v0. It collides with the ground, losses 50 percent of its energy in collision and rebounds to the same height. The initial velocity v0 is (Take g = 10 m s−…2015 · MCQ
  • The heart of a man pumps 5 litres of blood through the arteries per minute at a pressure of 150 mm of mercury. If the density of mercury be 13.6 × 103 kg/m3 and g = 10 m/s2 then the power (in watt) is2015 · MCQ
  • On a frictionless surface, a block of mass M moving at speed v collides elastically with another block of same mass M which is initially at rest. After collision the first block moves at an angle θ to its initial direction and has…2015 · MCQ
  • A block of mass 10 kg, moving in x direction with a constant speed of 10 m s−1, is subjected to a retarding force F = 0.1x J/m during its travel from x = 20 m to 30 m. Its final KE will be2015 · MCQ