Tiwari Academy Discussion

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

Bhuv Gupta

Asked: October 27, 2020In: Class 9

What is the quantity which is measured by the area occupied below the velocity-time graph?

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-4

Bhuv Gupta

Asked: October 27, 2020In: Class 9

A bus starting from rest moves with a uniform acceleration of 0.1 m s-2 for 2 minutes.

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-109 Questions No-1 A bus starting from rest moves with a uniform acceleration of 0.1 m s-2 for 2 ...

Bhuv Gupta

Asked: October 27, 2020In: Class 9

A train is travelling at a speed of 90 km h–1. Brakes are applied so as to produce a uniform acceleration of – 0.5 m s-2. Find how far the train will go before it is brought to rest.

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-110 Questions No-2

Bhuv Gupta

Asked: October 27, 2020In: Class 9

A trolley, while going down an inclined plane, has an acceleration of 2 cm s-2. What will be its velocity 3 s after the start?

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-110 Questions No-3

Bhuv Gupta

Asked: October 27, 2020In: Class 9

A racing car has a uniform acceleration of 4 m s-2. What distance will it cover in 10 s after start?

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-110 Questions No-4

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?

What is the quantity which is measured by the area occupied below the velocity-time graph?

A bus starting from rest moves with a uniform acceleration of 0.1 m s-2 for 2 minutes.

A train is travelling at a speed of 90 km h–1. Brakes are applied so as to produce a uniform acceleration of – 0.5 m s-2. Find how far the train will go before it is brought to rest.

A trolley, while going down an inclined plane, has an acceleration of 2 cm s-2. What will be its velocity 3 s after the start?

A racing car has a uniform acceleration of 4 m s-2. What distance will it cover in 10 s after start?

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