Tiwari Academy Discussion

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

Bhuv Gupta

Asked: October 27, 2020In: Class 9

A stone is thrown in a vertically upward direction with a velocity of 5 m s-1. If the acceleration of the stone during its motion is 10 m s–2 in the downward direction, what will be the height attained by the stone and how much time will it take to reach there?

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-5

Bhuv Gupta

Asked: October 27, 2020In: Class 9

Joseph jogs from one end A to the other end B of a straight 300 m road in 2 minutes 50 seconds and then turns around and jogs 100 m back to point C in another 1 minute. What are Joseph’s average speeds and velocities in jogging (a) from A to B and (b) from A to C?

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-112 Questions No2

Bhuv Gupta

Asked: October 27, 2020In: Class 9

Abdul, while driving to school, computes the average speed for his trip to be 20 km/h. On his return trip along the same route, there is less traffic and the average speed is 30 km /h. What is the average speed for Abdul’s trip?

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-112 Questions No-3

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?

A stone is thrown in a vertically upward direction with a velocity of 5 m s-1. If the acceleration of the stone during its motion is 10 m s–2 in the downward direction, what will be the height attained by the stone and how much time will it take to reach there?

Joseph jogs from one end A to the other end B of a straight 300 m road in 2 minutes 50 seconds and then turns around and jogs 100 m back to point C in another 1 minute. What are Joseph’s average speeds and velocities in jogging (a) from A to B and (b) from A to C?

Abdul, while driving to school, computes the average speed for his trip to be 20 km/h. On his return trip along the same route, there is less traffic and the average speed is 30 km /h. What is the average speed for Abdul’s trip?

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