$(a)$ What is acceleration ? Write its $SI$ unit.
$(b)$ Draw velocity-time graph, when an object has
$(i)$ uniformly accelerated velocity
$(ii)$ uniformly retarded velocity.
$(a)$ What is acceleration ? Write its $SI$ unit.
$(b)$ Draw velocity-time graph, when an object has
$(i)$ uniformly accelerated velocity
$(ii)$ uniformly retarded velocity.
$(a)$ Acceleration is defined as the rate of change of velocity. Its $SI$ unit is $m s ^{-2}$.
Similar Questions
A truck is moving on a straight road with uniform acceleration. The following table gives the speed of the truck at various instants of time.
Speed $\left(m s^{-1}\right)$
$5$
$10$
$15$
$20$
$25$
$30$
Time $(s)$
$0$
$10$
$20$
$30$
$40$
$50$
Draw the speed-time graph by choosing a convenient scale. Determine from it
$(i)$ the acceleration of truck
$(ii)$ the distance travelled by the truck in $50$ seconds.
A truck is moving on a straight road with uniform acceleration. The following table gives the speed of the truck at various instants of time.
| Speed $\left(m s^{-1}\right)$ | $5$ | $10$ | $15$ | $20$ | $25$ | $30$ |
| Time $(s)$ | $0$ | $10$ | $20$ | $30$ | $40$ | $50$ |
Draw the speed-time graph by choosing a convenient scale. Determine from it
$(i)$ the acceleration of truck
$(ii)$ the distance travelled by the truck in $50$ seconds.
Can you suggest real life examples about the motion of a body from the following velocity$-$time graphs ?
Can you suggest real life examples about the motion of a body from the following velocity$-$time graphs ?
State the type of motion represented by the given graph.
State the type of motion represented by the given graph.
Mention some uses of velocity$-$time graphs.
Mention some uses of velocity$-$time graphs.
The following table shows the positive of Renu, while she is going to her school. Draw distance$-$time graph for her motion.
Time
Distance from her home $( k m )$
$06: 45\, am$
$0$
$07: 00 \,am$
$8$
$01: 30\, pm$
$8$
$01: 45\, pm$
$0$
The following table shows the positive of Renu, while she is going to her school. Draw distance$-$time graph for her motion.
| Time | Distance from her home $( k m )$ |
| $06: 45\, am$ | $0$ |
| $07: 00 \,am$ | $8$ |
| $01: 30\, pm$ | $8$ |
| $01: 45\, pm$ | $0$ |