Home
Class 11
PHYSICS
A particle P is moving along a straight ...

A particle P is moving along a straight line with a velocity of `3ms^(-1)` and another particle Q has a velocity of `4ms^(-1)` at an angle of `30^(@)` to the path of P. Find the speed of Q relative to P.

Text Solution

AI Generated Solution

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A body A is moving along a straight path with a velocity of 4m//s Another body B is moving with a velocity of 5m//s , on a traight path, at an angle of 45^(@) to the path of A. Calculate the spend of B relative to A.

A particle executing SHM along a straight line has a velocity of 4ms^(-1) , and at a distance of 3m from its mean position and 3ms^(-1) , when at a distance of 4m from it. Find the time it take to travel 2.5m from the positive extremity of its oscillation.

Knowledge Check

  • If a particle A is moving along a straight line with velocity 3m/s and another particle B has a velocity 5m/s at an angle of 60^@ to the path of A then the velocity B relative to A is

    A
    `sqrt(39)m/s
    B
    `sqrt(19)m/s`
    C
    19m/s
    D
    none of the above
  • If a particle A is moving along a straight line with velocity 3m/s and another particle B has a velocity 5m/s at an angle of 60^@ to the path of A then the velocity B relative to A is

    A
    `sqrt(39)m/s
    B
    `sqrt(19)m/s`
    C
    19m/s
    D
    none of the above
  • A particle is moving with a constant speed along a straight line path. A force is not requied to

    A
    increased its speed
    B
    Decrease the momentum
    C
    change the direction
    D
    keep it moving with uniform velocity
  • Similar Questions

    Explore conceptually related problems

    A particle moves in a circle of radius 4 m with a linear velocity of 20ms^(-1) . Find the angular velocity.

    A particle is moving with a constant speed along a straight line path. A force is not required to

    Particle A is moving along X-axis. At time t = 0, it has velocity of 10 ms^(-1) and acceleration -4ms^(-2) . Particle B has velocity of 20 ms^(-1) and acceleration -2 ms^(-2) . Initially both the particles are at origion. At time t = 2 distance between the particles are at origin. At time t = 2 s distance between the particles is

    A particle is moving in a straight line and passes through a point O with a velocity of 6ms^(-1) The particle moves with a constant retardation of 2ms^(-2) for 4 s and there after moves with constant velocity. How long after leaving O does the particle return to O

    A particle is moving in a straight line and passes through a point O with a velocity of 10ms^(-1) . The particle moves with a constannt retardation of 5ms^(-2) for 3 s and there after moves with constant velocity. How long after leaving O does the particle return to O:-