Tiwari Academy Discussion

Asked: October 27, 2020In: Class 9

A farmer moves along the boundary of a square field of side 10 m in 40 s. What will be the magnitude of displacement of the farmer at the end of 2 minutes 20 seconds?

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-100 Questions No-2

Adah Tripathi

Asked: October 27, 2020In: Class 9

Which of the following is true for displacement?

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-100 Questions No-3 Which of the following is true for displacement? (a) It cannot be zero. (b) Its magnitude is greater ...

Adah Tripathi

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

A farmer moves along the boundary of a square field of side 10 m in 40 s. What will be the magnitude of displacement of the farmer at the end of 2 minutes 20 seconds?

Which of the following is true for displacement?

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.

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