Give one similarity and one dissimilarity between two graphs

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7. MOTION

medium

Give one similarity and one dissimilarity between the two graphs

Option A

Option B

Option C

Option D

Solution

Similarity : Both graphs are velocity$-$time graph.

Dissimilarity : In first graph, a body starts its journey from rest with uniform rate while in second graph, a body starts journey with a specific velocity that increases at nonuniform rate.

Standard 9

Science

What can we conclude about the motion of a body depicted by following velocity$-$time graphs ?

medium

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 $( k m )$

$06: 45\, am$ $0$

$07: 00 \,am$ $8$

$01: 30\, pm$ $8$

$01: 45\, pm$ $0$

easy

What can you say about the motion of a body if its displacement$-$time graph is a straight line parallel to the time axis ?

easy

Derive the equation $v^{2}-u^{2}=2 a S$ graphically.

hard

A body moving with uniform acceleration has velocities $20 \,m s ^{-1}$ and $30\, m s ^{-1}$. when passing two points $A$ and $B$. Then the velocity midway between $A$ and $B$ is