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

Center of Mass question

2018 · Shift 0 · Q57
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Center of Mass
  5. /2018 · Shift 0 · Q57

Center of Mass question

2018 · Shift 0 · Q57

JEE MainPhysicsCenter of MassMCQ+4 / −1
The mass of a hydrogen molecule is 3.32 ×\times× 10-27 kg. If 1023 hydrogen molecules strike, per second, a fixed wall of area 2 cm2 at an angle of 45o to the normal, and rebound elastically with a speed of 103 m/s, then the pressure on the wall is nearly:
  1. A
    2.35 ×\times× 103 N m-2
  2. B
    4.70 ×\times× 103 N m-2
  3. C
    2.35 ×\times× 102 N m-2
  4. D
    4.70 ×\times× 102 N m-2
PreviousNext

More from Center of Mass

  • In a collinear collision, a particle with an initial speed v0 strikes a stationary particle of the same mass. If the final total kinetic energy is 50% greater than the original kinetic energy, the magnitude of the relative velocity between…2018 · MCQ
  • Two particles A and B of equal mass M are moving with the same speed υ as shown in the figure. They collide completely inelastically and move as a single particle C. The angle θ that the path of C makes with the X-axis is… Includes diagram2017 · MCQ
  • In the figure shown ABC is a uniform wire. If centre of mass of wire lies vertically below point A, then ABBC​ is close to : Includes diagram2016 · MCQ
  • A neutron moving with a speed ‘v’ makes a head on collision with a stationary hydrogen atom in ground state. The minimum kinetic energy of the neutron for which inelastic collision will take place is :2016 · MCQ
  • Distance of the center of mass of a solid uniform cone from its vertex is z0​. If the radius of its base is R and its height is h then z0​ is equal to :2015 · MCQ
  • A particle of mass m moving in the x direction with speed 2v is hit by another particle of mass 2m moving in the y direction with speed v. If the collision is perfectly inelastic, the percentage loss in the energy during the…2015 · MCQ
  • This question has statement I and statement II. Of the four choices given after the statements, choose the one that best describes the two statements. Statement - I: A point particle of mass m moving with…2013 · MCQ
  • The figure shows the position − time (x−t) graph of one-dimensional motion of body of mass 0.4kg. The magnitude of each impulse is Includes diagram2010 · MCQ