Position-time graph for a particle is shown in figure. Starting from $t=0$, at what time $t$ is ......... $s$, the average velocity is zero
Position-time graph for a particle is shown in figure. Starting from $t=0$, at what time $t$ is ......... $s$, the average velocity is zero
- A
$1$
- B
$3$
- C
$6$
- D
$7$
Similar Questions
A ball thrown up from a location, returns back at the same location. Which of the following statements are correct.
$(a)$ Distance travelled by ball can be zero
$(b)$ Displacement of ball is zero
$(c)$ Average velocity of ball is zero
$(d)$ Acceleration of the ball is zero
A ball thrown up from a location, returns back at the same location. Which of the following statements are correct.
$(a)$ Distance travelled by ball can be zero
$(b)$ Displacement of ball is zero
$(c)$ Average velocity of ball is zero
$(d)$ Acceleration of the ball is zero
Define speed. Define average speed.
Define speed. Define average speed.
A car moves from $X$ to $Y$ with a uniform speed $v_1$ and returns to $Y$ with a uniform speed $v_2$ . The average speed for this round trip is
A car moves from $X$ to $Y$ with a uniform speed $v_1$ and returns to $Y$ with a uniform speed $v_2$ . The average speed for this round trip is
- [AIPMT 2007]
A train starting from rest first accelerates uniformly up to a speed of $80 \mathrm{~km} / \mathrm{h}$ for time $t$, then it moves with a constant speed for time 3t. The average speed of the train for this duration of journey will be (in $\mathrm{km} / \mathrm{h}$ ) :
A train starting from rest first accelerates uniformly up to a speed of $80 \mathrm{~km} / \mathrm{h}$ for time $t$, then it moves with a constant speed for time 3t. The average speed of the train for this duration of journey will be (in $\mathrm{km} / \mathrm{h}$ ) :
- [JEE MAIN 2024]
A man walks on a straight road from his home to a market $2.5\; km$ away with a speed of $5 \;km h ^{-1} .$ Finding the market closed, he instantly turns and walks back home with a speed of $7.5 \;km h ^{-1} .$ What is the average speed (in $km/h$) of the man over the interval of time $0$ to $50\; min$ ?
A man walks on a straight road from his home to a market $2.5\; km$ away with a speed of $5 \;km h ^{-1} .$ Finding the market closed, he instantly turns and walks back home with a speed of $7.5 \;km h ^{-1} .$ What is the average speed (in $km/h$) of the man over the interval of time $0$ to $50\; min$ ?