Obtain a relation for the distance travelled by an object moving with a uniform acceleration in the interval between $4^{th}$ and $5^{th}$ seconds.

  • A

    $\left(u+5 a\right)\, m$

  • B

    $\left(u+\frac{3}{2} a\right)\, m$

  • C

    $\left(u+\frac{9}{2} a\right)\, m$

  • D

    $\left(u+4a\right)\, m$

Similar Questions

Slope of a velocity -time graph gives

$(a)$ Differentiate acceleration from velocity.

$(b)$ Can a body have acceleration without change in magnitude of velocity ? Explain with an example.

$(c)$ A motor boat starting from rest on a lake accelerates in a straight line at a constant rate of $3\, m s ^{-2}$ for $8 \,s$. How far does the boat travel during this time ?

The following graph describes the motion of a girl going to meet her friend who stays $50\, m$ from her house

$(i)$ How much time she takes to reach her friend's house ?

$(ii)$ What is the distance travelled by the girl during the time$-$interval $0$ to $12$ minute ?

$(iii)$ During which time-interval she is moving towards her house ?

$(iv)$ For how many minutes she was at rest, during the entire journey ?

$(v)$ Calculate the speed by which she returned home.

A frog hops along a straight line path from point $'A^{\prime}$ to point ${ }^{\prime} B ^{\prime}$ in $10\, s$ and then turns and hops to point ${ }^{\prime} C^{\prime}$ in another $5\, s$. Calculate the average speed and average velocity of the frog for the motion between $(a)(A)$ to $(B)(b)(A)$ to $(C)($ through $B)$

$(a)$ Differentiate between uniform linear and uniform circular motion.

$(b)$ Write any four examples of uniform circular motion.

$(c)$ Is uniform circular motion is accelerated motion ?