Embibe Experts Solutions for Chapter: Kinematics, Exercise 1: JKCET 2017

A particle is thrown vertically up with a velocity of $100 \mathrm{m}{ \mathrm{s}}^{-1}$. What will be the time taken by the body to reach the ground? Assume $g=10 \mathrm{m} {\mathrm{s}}^{-2}$

A car moves from point A to point B at a speed of $40 \mathrm{km}{ \mathrm{h}}^{-1}$ and returns at a speed of $60 \mathrm{km}{ \mathrm{h}}^{-1}$. Find its average velocity.

Find the ratio of the distance travelled by a freely falling body during the first and third second of its fall.

An athlete runs exactly once around a circular track of length $500 \mathrm{m}.$ The runner's displacement in the race is

The motion of a particle is represented by the equation $\mathrm{S}=8{\mathrm{t}}^3-2{\mathrm{t}}^2+6\mathrm{t}+7$. Find the velocity of the particle at the end of $2$ seconds in $\mathrm{m}/\mathrm{s}$.

A bird flies at an angle of $60°$ to the horizontal. Its horizontal component of velocity is $10 \mathrm{m}/\mathrm{s}$. Find its vertical component of velocity in $\mathrm{m}/\mathrm{s}$.

A ball is thrown horizontally from a height of $100 \mathrm{m}$ with an initial speed of $15 \mathrm{m}/\mathrm{s}$. How far does it travel horizontally in the first $2$ seconds?

A projectile is fired at an angle of $45°$ and reaches the highest point in its path after $2\sqrt{2}$ s. Find the velocity of projectile in $\mathrm{m}/\mathrm{s}$.