New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Motion in A Straight Line question

2024 · 1 Feb · Shift 2 · Q83

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Physics
Motion in A Straight Line
2024 · 1 Feb · Shift 2 · Q83

Motion in A Straight Line question

2024 · 1 Feb · Shift 2 · Q83

JEE MainPhysicsMotion in A Straight LineNumerical+4 / −1

A particle initially at rest starts moving from reference point

x=0

along

x

-axis, with velocity

v

that varies as

v=4 \sqrt{x} \mathrm{~m} / \mathrm{s}

. The acceleration of the particle is

\underline{\hspace{2cm}}\mathrm{ms}^{-2}

.

Numerical answer

More from Motion in A Straight Line

A body travels $102.5 m$ in $n^{th}$ second and $115.0 m$ in $(n + 2)^{th}$ second. The acceleration is :2024 · MCQ
A bus moving along a straight highway with speed of $4 s$ is brought to halt within $4 s$ after applying the brakes. The distance travelled by the bus during this time (Assume the retardation is uniform) is …2024 · Numerical
A body moves on a frictionless plane starting from rest. If $S_{n}$ is distance moved between $t = n - 1$ and $t = n$ and $S_{n - 1}$ is distance moved between $t = n - 2$ and $t = n - 1$ …2024 · Numerical
A train starting from rest first accelerates uniformly up to a speed of $t$ for time $t$ , then it moves with a constant speed for time $3 t$ . The average speed of the train for this duration of journey will be…2024 · MCQ
A body projected vertically upwards with a certain speed from the top of a tower reaches the ground in $t_{1}$ . If it is projected vertically downwards from the same point with the same speed, it reaches the ground in $t_{2}$ . Time required to…2024 · MCQ
A particle moves in a straight line so that its displacement $x$ at any time $t$ is given by $x^{2} = 1 + t^{2}$ . Its acceleration at any time $t$ is $x^{- n}$ where $n =$ .2024 · Numerical
A particle moving in a straight line covers half the distance with speed $9 m / s$ . The other half is covered in two equal time intervals with speeds $15 m / s$ and $15 m / s$ …2024 · MCQ
Two cars are travelling towards each other at speed of $20 m s^{- 1}$ each. When the cars are $300 m$ apart, both the drivers apply brakes and the cars retard at the rate of $2 m s^{- 2}$ .…2024 · MCQ