Home
Class 12
PHYSICS
An onject intially att rest moves along ...

An onject intially att rest moves along x-axis subjected to an acceleration which veries with time according to relation `a=2t+5`. Its velocity after 2 seconds will be :-

A

`18 ms^(-1)`

B

`9 ms^(-1)`

C

`12 ms^(-1)`

D

`14 ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN |Exercise Basic Maths (Graphs))|28 Videos

  • RACE

    ALLEN |Exercise Basic Maths (Co-ordinate & Algebra)|40 Videos

  • RACE

    ALLEN |Exercise Basic Maths (Differentiation)|40 Videos

  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos

  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

A particle moves along X-axis in such a way that its coordinate X varies with time t according to the equation x = (2-5t +6t^(2))m . The initial velocity of the particle is

A Body intially at rest, starts moving along x- axis in such a way so that its acceleration vs displacement plot is as shown in figure. The maximum velocity of particle is :-

A body initially at rest is moving with uniform acceleration "a". It's velocity after n seconds is V. The displacement of the body in last 2 seconds is …….

Starting from rest, the acceleration of a particle is a=2(t-1) . The velocity of the particle at t=5s is :-

The intial velocity of a particle is u (at t=0) and the acceleration is given by f=at. Which of the following relations is valid ?

If object starts moving with acceleration beta t, then what will be the velocity after 't' time ?

A particle moves on x-axis with a velocity which depends on time as per equation v=t^(2)-8t+15(m//s) where time t is in seconds. Match the columns.

(a) The position of a particle moving along the x-axis depends on the time according to equation. x=(3t^(2)-t^(3)) m. At what time does the particle reaches its maximum x-position? (b) What is the displacement during the first 4s.

A particle moving in a straight line has its velocit varying with time according to relation v = t^(2) - 6t +8 (m//s) where t is in seconds. The CORRECT statement(s) about motion of this particle is/are:-

An object is moving in x-y plane its velocity and acceleration at t=0 are represented in figure. The ratio of magnitude of velocity to magnitude of component of acceleration along velocity at t=0 :-