Srishti Singhania

Asked: October 27, 2020In: Class 9

A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 3.0 m s–2 for 8.0 s. How far does the boat travel during this time?

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-4

Srishti Singhania

Asked: October 27, 2020In: Class 9

A driver of a car travelling at 52 km h–1 applies the brakes and accelerates uniformly in the opposite direction. The car stops in 5 s. Another driver going at 3 km h–1 in another car applies his brakes slowly and stops in 10 s. On the same graph paper, plot the speed versus time graphs for the two cars. Which of the two cars travelled farther after the brakes were applied?

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-5

Srishti Singhania

Asked: October 27, 2020In: Class 9

A ball is gently dropped from a height of 20 m. If its velocity increases uniformly at the rate of 10 m s-2, with what velocity will it strike the ground? After what time will it strike the ground?

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-113 Questions No-7

Srishti Singhania

Asked: October 27, 2020In: Class 9

State which of the following situations are possible and give an example for each of these:

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-113 Questions No-9 State which of the following situations are possible and give an example for each of these: (a) ...

Srishti Singhania

Asked: October 27, 2020In: Class 9

An artificial satellite is moving in a circular orbit of radius 42250 km. Calculate its speed if it takes 24 hours to revolve around the earth.

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-113 Questions No-10

Srishti Singhania

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