9 PhysicsMaster

Asked: October 27, 2020In: Class 9

Distinguish between speed and velocity.

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-102 Questions No-1

Adah Tripathi

Asked: October 27, 2020In: Class 9

Under what condition(s) is the magnitude of average velocity of an object equal to its average speed?

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-102 Questions No-2

Adah Tripathi

Asked: October 27, 2020In: Class 9

What does the odometer of an automobile measure?

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-102 Questions No-3

Adah Tripathi

Asked: October 27, 2020In: Class 9

What does the path of an object look like when it is in uniform motion?

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-102 Questions No-4

Adah Tripathi

Asked: October 27, 2020In: Class 9

During an experiment, a signal from a spaceship reached the ground station in five minutes. What was the distance of the spaceship from the ground station? The signal travels at the speed of light, that is, 3 x 10⁸ m/s.

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-102 Questions No-5

Adah Tripathi

Asked: October 27, 2020In: Class 9

When will you say a body is in (i) uniform acceleration? (ii) non-uniform acceleration?

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-103 Questions No-1

Adah Tripathi

Asked: October 27, 2020In: Class 9

A bus decreases its speed from 80 km h–1 to 60 km h–1 in 5 s. Find the acceleration of the bus.

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-103 Questions No-2

Adah Tripathi

Asked: October 27, 2020In: Class 9

A train starting from a railway station and moving with uniform acceleration attains a speed 40 km h–1 in 10 minutes. Find its acceleration.

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-103 Questions No-3

Bhuv Gupta

Asked: October 27, 2020In: Class 9

What is the nature of the distance-time graphs for uniform and non-uniform motion of an object?

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-107 Questions No-1

Bhuv Gupta

Asked: October 27, 2020In: Class 9

What can you say about the motion of an object if its speed time graph is a straight line parallel to the time axis?

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-107 Questions No-3

9 PhysicsMaster

Distinguish between speed and velocity.

Under what condition(s) is the magnitude of average velocity of an object equal to its average speed?

What does the odometer of an automobile measure?

What does the path of an object look like when it is in uniform motion?

During an experiment, a signal from a spaceship reached the ground station in five minutes. What was the distance of the spaceship from the ground station? The signal travels at the speed of light, that is, 3 x 10⁸ m/s.

When will you say a body is in (i) uniform acceleration? (ii) non-uniform acceleration?

A bus decreases its speed from 80 km h–1 to 60 km h–1 in 5 s. Find the acceleration of the bus.

A train starting from a railway station and moving with uniform acceleration attains a speed 40 km h–1 in 10 minutes. Find its acceleration.

What is the nature of the distance-time graphs for uniform and non-uniform motion of an object?

What can you say about the motion of an object if its speed time graph is a straight line parallel to the time axis?

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