EASY

9th CBSE

IMPORTANT

Earn 100

An object starts with an initial velocity $u$ and attains a final velocity $v$ . The velocity of the object is changing at a uniform rate. Write the formula for calculating the average velocity $v_{av}$ .

Important Questions on Motion

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 1 - Motion>Summative Assessment Some Solved CBSE Sample Questions>Q 10

A body can have zero average velocity but not zero average speed. Justify.

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 1 - Motion>Summative Assessment Some Solved CBSE Sample Questions>Q 11

A person travelling in a bus noted the timings and the corresponding distances as indicated on the

km

stones. Name this type of table.

Time	Distance
$8 : 00 AM$	$10 km$
$8 : 15 AM$	$20 km$
$8 : 30 AM$	$30 km$
$8 : 45 AM$	$40 km$
$9 : 00 AM$	$50 km$

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 1 - Motion>Summative Assessment Some Solved CBSE Sample Questions>Q 11

A person travelling in a bus noted the timings and the corresponding distances as indicated on the

km

stones. What conclusion do you draw from this data?

Time	Distance
$8 : 00 AM$	$10 km$
$8 : 15 AM$	$20 km$
$8 : 30 AM$	$30 km$
$8 : 45 AM$	$40 km$
$9 : 00 AM$	$50 km$

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 1 - Motion>Summative Assessment Some Solved CBSE Sample Questions>Q 12

A bus travels a distance of

120 km

with a speed of

40 km h^{- 1}

and returns with a speed of

30 km h^{- 1}

. Calculate the average speed for the entire journey.

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 1 - Motion>Summative Assessment Some Solved CBSE Sample Questions>Q 13

Ali while driving to school, completes the average speed for his trip to be

20 km h^{- 1}

. On his return trip along the same route there is less traffic and the average speed is

30 km h^{- 1}

. What is the average speed for Ali's trip?

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 1 - Motion>Summative Assessment Some Solved CBSE Sample Questions>Q 14

State the type of motion represented by the given graph.

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EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 1 - Motion>Summative Assessment Some Solved CBSE Sample Questions>Q 15

What kind of motion of a body is represented by the graph shown below?
Question Image

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 1 - Motion>Summative Assessment Some Solved CBSE Sample Questions>Q 15

What kind of motion of a body is represented by the graph shown below?
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An object starts with an initial velocity u and attains a final velocity v. The velocity of the object is changing at a uniform rate. Write the formula for calculating the average velocity vav.

Important Questions on Motion

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An object starts with an initial velocity $u$ and attains a final velocity $v$ . The velocity of the object is changing at a uniform rate. Write the formula for calculating the average velocity $v_{av}$ .