A particle is fired with velocity u maki...

A particle is fired with velocity u making angle `theta` with the horizontal. What is the change in velocity when it is at the highest point?

`u cos theta`

`u`

`u sin theta`

`u cos theta u`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

KINEMATICS-2D
ALLEN|Exercise Exercise (O-1)|40 Videos
GRAVITATION
ALLEN|Exercise EXERCISE 4|9 Videos
MOTION IN A PALNE
ALLEN|Exercise SOLVED EXAMPLE|28 Videos

Similar Questions

Explore conceptually related problems

A ball of mass m is projected from the ground with an initial velocity u making an angle of theta with the vertical. What is the change in velocity between the point of projection and the highest point ?

A particle is projected with a velocity u making an angle theta with the horizontal. At any instant its velocity becomes v which is perpendicular to the initial velocity u. Then v is

A particle is projected with velocity 'u' makes an angle theta w.r.t. horizontal. Now it breaks in two identical parts at highest point of trajectory. If one part is retrace its path, then velocity of other part is -

A particle is projected with a velocity u making an angle theta with the horizontal. The instantaneous power of the gravitational force

A particle is projected from the ground with velocity u making an angle theta with the horizontal. At half of its maximum heights,

A particle is projected with velocity u at angle theta with horizontal. Find the time when velocity vector is perpendicular to initial velocity vector.

A particle of mass m is projected form ground with velocity u making angle theta with the vertical. The de Broglie wavelength of the particle at the highest point is

A particle is projected with velocity v at an angle theta aith horizontal. The average angle velocity of the particle from the point of projection to impact equals

A particle of mass m is projected with velocity v at an angle theta with the horizontal. Find its angular momentum about the point of projection when it is at the highest point of its trajectory.

ALLEN-KINEMATICS-2D-Exercise (O-2)

A particle moves in the x-y plane. It x and y coordinates vary with ti...
Text Solution
|
Particle is dropped from the height of 20 m on horizontal ground. Ther...
Text Solution
|
A particle is fired with velocity u making angle theta with the horizo...
Text Solution
|
A particle is projected an angle of 45^(@) from 8m before the foot of ...
Text Solution
|
A ball was thrown by a boy a at angle 60^(@) with horizontal at height...
Text Solution
|
A light body is projected with a velocity (10hat(i)+20 hat(j)+20 hat(k...
Text Solution
|
A particle is ejected from the tube at A with a velocity V at an angle...
Text Solution
|
A stone is projected from point P on the inclined plane with velocity ...
Text Solution
|
In the time taken by the projectile to reach from A to B is t. Then th...
Text Solution
|
A particle is projected from a point P(2,0,0) m with a velocity 10 m//...
Text Solution
|
A body A is thrown vertically upwards with such a velocity that it rea...
Text Solution
|
An object moves to the East across a frictionless surface with constan...
Text Solution
|
A particle is thrown from a stationary platform with velocity v at an ...
Text Solution
|
On a particular day rain drops are falling vertically at a speed of 5 ...
Text Solution
|
A 2m wide truck is moving with a uniform speed v(0)=8m//s along a stra...
Text Solution
|
Man A sitting in a car moving with 54km//hr observes man B in front of...
Text Solution
|
A swimmer swins in still water at a speed =5 km//hr. He enters a 200m ...
Text Solution
|
A man wishes to swim across a river 40 m wide flowing with a speed of ...
Text Solution
|
An observer on ground sees a boat cross a river of width 800 m perpend...
Text Solution
|
A boatman moves his boat with a velocity 'v' (relative to water) in ri...
Text Solution
|