A trolley while going down an inclined plane has an acceleration of 2cm/s². What will be it's velocity 3 seconds after the start?

Academic Physics NCERT Class 9

Given: a = 2cm/s² = 0.02m/s², u = 0 and t = 3s.

To find: Final velocity v

From v = u + at

$v = 0 + 0.02 \times 3$

=0.06m/s

Tutorialspoint

e

Updated on: 10-Oct-2022

24 Views

A trolley going down an inclined plane has an acceleration of $2 cm s^{-2}$. What will be the velocity 3 seconds after the start?
A racing car has a uniform acceleration of 4m/s2. What distance will it cover in 10 sec after start?
Calculate the acceleration of an object having the initial velocity 4m/s and after moving 4 meters comes to rest in 2 seconds?
If acceleration is constant then what will be the velocity and speed of the object?
A object moves with uniform positive acceleration. What will be its velocity-time graph.
An object starting from rest travels $20\ m$ in first $2\ s$ and $160\ m$ in next $4\ s$. What will be the velocity after $7\ s$ from the start.
A $35\ kg$ boy jumps (from rest) into a moving trolley of mass $70\ kg$ and already moving at a velocity of $5\ m/s$ to the right. What is the speed of the trolley after the boy has jumped in?
A ray of light strikes a plane mirror at an angle of 40° to the mirror surface. What will be the angle of reflection?
A girl having a mass of $35\ kg$ sits on a trolley of mass $5\ kg$. The trolley is given an initial velocity of $4\ m s^{-1}$ by applying a force. The trolley comes to rest after traversing a distance of $16\ m$.$(a)$. How much work is done on the trolley?$(b)$. How much work is done by the girl?
A marble is allowed to roll down an inclined plane from a fixed height. At the foot of the-inclined plane, it moves on a horizontal surface $(a)$ covered with silk cloth $(b)$ covered with a layer of sand and $(c)$ covered with a glass sheet. On which surface, will the marble move the shortest distance. Give reason for your answer.
If two cubes of dimension 2cm by 2cm by 2cm are placed side by side. What would the dimensions of resulting cuboid be?
A car starting with a velocity of $10\ m/s$ reached an acceleration of $8\ m/s^{2}$ in $4$ seconds. Find the distance travelled by the car.
How to clear an Android notification after a few seconds?
What is the acceleration of a body moving with uniform velocity ?
A body with an initial velocity x moves with a uniform acceleration y. Plot its velocity-time graph.

Kickstart Your Career

Get certified by completing the course

Get Started

Advertisements