Home
Class 11
PHYSICS
A particle P is projected from a point o...

A particle P is projected from a point on the surface of a smooth inclined pane (see figure). Simultaneously another particle Q is released on the smooth inclined plane from the same postion. P and Q colide on the inclined plane after `t=4` seconds. Find the speed projection in m/s.

A

`5m//s`

B

`10 m//s`

C

`15 m//s`

D

`20 m//s`

Text Solution

Verified by Experts

The correct Answer is:
B
It can be observed from figure that `P` and `Q` shall collide if the initial component of velocity of `P` along incline. `u_(||) =0` that is particle is projected perpendicular to incline.

`:. ` Time of flight `T=(2mu_|_)/(gcos theta)=(2u)/(gcos theta)`
`:. u=(gTcos theta)/(2)=10m//s`
Promotional Banner

Topper's Solved these Questions

  • DAILY PRACTICE PROBLEMS

    RESONANCE ENGLISH|Exercise DPP 35|5 Videos

  • DAILY PRACTICE PROBLEMS

    RESONANCE ENGLISH|Exercise dpp 36|5 Videos

  • DAILY PRACTICE PROBLEMS

    RESONANCE ENGLISH|Exercise dpp 33|8 Videos

  • CURRENT ELECTRICITY

    RESONANCE ENGLISH|Exercise Exercise|53 Videos

  • ELASTICITY AND VISCOCITY

    RESONANCE ENGLISH|Exercise Advanced Level Problems|9 Videos

Similar Questions

Explore conceptually related problems

A particle P is projected from a point on the surface of smooth inclined plane (see figure). Simultaneously another particle Q is released on the smooth inclined plane from the same position. P and Q collide after t=4 . The speed of projection of P is

A particle P is projected from a point on the surface of smooth inclined plane (see figure). Simultaneously another particle Q is released on the smooth inclined plane from the same position. P and Q collide after t=4 . The speed of projection of P is

A sphere is released on a smooth inclined plane from the top. When it moves down, its angular momentum is

A ball is projected from point A with velocity 20 m/s prependicular to the inclined plane as shown in figure. What is the range of the ball on the inclined plane ?

A ball is projected from point A with velocity 10 ms^(-1) perpendicular to the inclined plane as shown in figure. Range of the ball on the inclined plane is

Figure shows that particle A is projected from point P with velocity u along the plane and simultaneously another particle B with velocity v at an angle alpha with vertical. The particles collide at point Q on the plane. Then

A particle is projected on an inclined plane with a speed u as shown in (Fig. 5.61). Find the range of the particle on the inclined plane. .

A particle is projected from surface of the inclined plane with speed u and at an angle theta with the horizontal. After some time the particle collides elastically with the smooth fixed inclined plane for the first time and subsequently moves in vertical direction. Starting from projection, find the time taken by the particle to reach maximum height. (Neglect time of collision).

A particle is projected along an inclined plane as shown in figure. What is the speed of the particle when it collides at point A ? (g = 10 m/s^2)

Two particles P and Q are projected from two points in the same plane as shown. Find the condition for collision of two paricles.