Home
Class 12
MATHS
An object moves in x-y plane such that i...

An object moves in x-y plane such that it starts from origin with initial velocity `vecu=3hati+4hatj`(m/s) and an acceleration `veca=2hati(m//s^2)`, It's distance from origin at t=1 s is :

A

`F^-` lt `H^-` (Radius)

B

CaO lt `Al_2O_3` (Lattice energy)

C

`Li^(+) gt Cs^(+)` (Hydrated size)

D

HBr lt HF (boiling point)

Text Solution

Verified by Experts

The correct Answer is:
A,B,C,D
Promotional Banner

Topper's Solved these Questions

  • TEST PAPER

    ALLEN |Exercise CHEMISTRY SECTION-II|16 Videos

  • TEST PAPER

    ALLEN |Exercise PHYSICS SECTION-II|16 Videos

  • SEQUENCE AND PROGRESSION

    ALLEN |Exercise Exercise (JA)|10 Videos

  • TEST PAPERS

    ALLEN |Exercise MATHEMATICS|136 Videos

Similar Questions

Explore conceptually related problems

A particle is projected from ground with initial velocity 3hati + 4hatj m/s. Find range of the projectile :-

A particle has an initial velocity (3hati+2hatj) ms^(-1) and an acceleration of (0.2hati+0.3hatj)ms^(-2) . Its speed after 10s is

A particle has initial velocity of (3hat(i)+4hat(j)) m//s and a acceleration of (4hat(i)-3hat(j)) m//s^(2) . Its speed after one second will be equal to :-

A particle has an initial velocity (12hati+10hatj) ms^(-1) and an acceleration of (0.5hati+0.6hatj)ms^(-2) . Its speed after 20s is

A particle has an initial velocity (6hati+8hatj) ms^(-1) and an acceleration of (0.8hati+0.6hatj)ms^(-2) . Its speed after 10s is

A particle leaves the origin with initial velocity vec(v)_(0)=11hat(i)+14 hat(j) m//s . It undergoes a constant acceleration given by vec(a)=-22/5 hat(i)+2/15 hat(j) m//s^(2) . When does the particle cross the y-axis ?

Shown plane mirror is lying in y-z plane. A particle P has velocity vecu = 5hati + 6 hatj at t=0 & acceleration veca =2thatj . Velocity of its image at t=2s relative to it is

A projectile is projected from ground with initial velocity vecu=u_(0)hati+v_(0)hatj . If acceleration due to gragvity (g) is along the negative y-direction then find maximum displacement in x-direction.

A particle stars from origin at t=0 with a velocity 5.0hatim//s and moves in x-y plane under action of a force which produces a constant acceleration of (3.0hati+2.0hatj) m//s^(2) . (a) What is the y- coordinate of the particle at the instant its x - coordinate is 84 m ? (b) What is the speed of the particle at this time ?

A particle starts from origin at t=0 with velocity 5.0hati m//s and move in x.y plane under action of a force which produces a constant acceleration of (3.0hati+2.0hatj) m//s^(2) . (a) What is the y-coordinate of the particle at the instant its x-ccordinate is 84 m? (b) What is the speed of the particle at this time?