Physics-
General
Easy

Question

A particle P is sliding down a frictionless hemispherical bowl. It passes the point A at t equals 0. At this instant of time, the horizontal component of its velocity is v. A bead Q of the same mass as P is ejected from A at t equals 0 along the horizontal string A B (see figure) with the speed v. Friction between the bead and the string may be neglected. Let t subscript P end subscript and t subscript Q end subscript be the respective time taken by P and Q to reach the point B. Then

  1. t subscript P end subscript less than t subscript Q end subscript    
  2. t subscript P end subscript equals t subscript Q end subscript    
  3. t subscript P end subscript greater than t subscript Q end subscript    
  4. All of these    

The correct answer is: t subscript P end subscript less than t subscript Q end subscript


    For particle P, motion between A and C will be an accelerated one while between C and B a retarded one. But in any case horizontal component of it’s velocity will be greater than or equal to v on the other hand in case of particle Q, it is always equal to v. horizontal displacement of both the particles are equal, so t subscript P end subscript less than t subscript Q end subscript.

    Related Questions to study

    General
    physics-

    A stone of mass 1 kg tied to a light inextensible string of length L equals fraction numerator 10 over denominator 3 end fraction m is whirling in a circular path of radius L in a vertical plane. If the ratio of the maximum tension in the string to the minimum tension in the string is 4 and if g is taken to be 10 m divided by sec to the power of 2 end exponent invisible function application blank, the speed of the stone at the highest point of the circle is

    A stone of mass 1 kg tied to a light inextensible string of length L equals fraction numerator 10 over denominator 3 end fraction m is whirling in a circular path of radius L in a vertical plane. If the ratio of the maximum tension in the string to the minimum tension in the string is 4 and if g is taken to be 10 m divided by sec to the power of 2 end exponent invisible function application blank, the speed of the stone at the highest point of the circle is

    physics-General
    General
    physics-

    A string of length L is fixed at one end and carries a mass M at the other end. The string makes 2/p revolutions per second around the vertical axis through the fixed end as shown in the figure, then tension in the string is

    A string of length L is fixed at one end and carries a mass M at the other end. The string makes 2/p revolutions per second around the vertical axis through the fixed end as shown in the figure, then tension in the string is

    physics-General
    General
    chemistry-

    chemistry-General
    parallel
    General
    physics-

    A particle is projected with velocity upsilon subscript 0 end subscriptalong x minus a x i s. The deceleration on the particle is proportional to the square of the distance from the origin i.e., a equals alpha x to the power of 2 end exponent. The distance at which the particle stops is

    A particle is projected with velocity upsilon subscript 0 end subscriptalong x minus a x i s. The deceleration on the particle is proportional to the square of the distance from the origin i.e., a equals alpha x to the power of 2 end exponent. The distance at which the particle stops is

    physics-General
    General
    biology

    Which enzyme is synthesized de-novo in aleurone layers of germinating seeds due to the effect of gibberellins ?

    Which enzyme is synthesized de-novo in aleurone layers of germinating seeds due to the effect of gibberellins ?

    biologyGeneral
    General
    physics-

    A particle moves along the sides AB, BC, CD of a square of side 25 m with a velocity of 15m s to the power of negative 1 end exponent. Its average velocity is

    A particle moves along the sides AB, BC, CD of a square of side 25 m with a velocity of 15m s to the power of negative 1 end exponent. Its average velocity is

    physics-General
    parallel
    General
    physics-

    The upsilon minus t plot of a moving object is shown in the figure. The average velocity of the object during the first 10 seconds is

    The upsilon minus t plot of a moving object is shown in the figure. The average velocity of the object during the first 10 seconds is

    physics-General
    General
    physics-

    From the following displacement-time graph find out the velocity of a moving body

    From the following displacement-time graph find out the velocity of a moving body

    physics-General
    General
    physics-

    The acceleration-time graph of a body is shown below

    The most probable velocity-time graph of the body is

    The acceleration-time graph of a body is shown below

    The most probable velocity-time graph of the body is

    physics-General
    parallel
    General
    physics-

    The given graph shows the variation of velocity with displacement. Which one of the graph given below correctly represents the variation of acceleration with displacement

    The given graph shows the variation of velocity with displacement. Which one of the graph given below correctly represents the variation of acceleration with displacement

    physics-General
    General
    physics-

    Acceleration-time graph of a body is shown. The corresponding velocity-time graph of the same body is

    Acceleration-time graph of a body is shown. The corresponding velocity-time graph of the same body is

    physics-General
    General
    physics-

    A train moves from one station to another in 2 hours time. Its speed-time graph during this motion is shown in the figure. The maximum acceleration during the journey is

    A train moves from one station to another in 2 hours time. Its speed-time graph during this motion is shown in the figure. The maximum acceleration during the journey is

    physics-General
    parallel
    General
    physics-

    The graph of displacement v/s time is  Its corresponding velocity-time graph will be

    The graph of displacement v/s time is  Its corresponding velocity-time graph will be

    physics-General
    General
    physics-

    A ball is dropped vertically from a height d above the ground. It hits the ground and bounces up vertically to a height d divided by 2. Neglecting subsequent motion and air resistance, its velocity v varies with the height h above the ground is

    A ball is dropped vertically from a height d above the ground. It hits the ground and bounces up vertically to a height d divided by 2. Neglecting subsequent motion and air resistance, its velocity v varies with the height h above the ground is

    physics-General
    General
    physics-

    The displacement-time graph of moving particle is shown below

    The instantaneous velocity of the particle is negative at the point

    The displacement-time graph of moving particle is shown below

    The instantaneous velocity of the particle is negative at the point

    physics-General
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.