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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

Ishank Singh

Asked: October 27, 2020In: Class 9

Which of the following has more inertia?

NCERT Solutions for Class 9 Science Chapter 9 Force and Laws of Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-118 Questions No-1 Which of the following has more inertia? (a) a rubber ball and a ...

Ishank Singh

Asked: October 27, 2020In: Class 9

In the following example, try to identify the number of times the velocity of the ball changes: “A football player kicks a football to another player of his team who kicks the football towards the goal. The goalkeeper of the opposite team collects the football and kicks it towards a player of his own team”. Also identify the agent supplying the force in each case.

NCERT Solutions for Class 9 Science Chapter 9 Force and Laws of Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-118 Questions No-2

Ishank Singh

Asked: October 27, 2020In: Class 9

Explain why some of the leaves may get detached from a tree if we vigorously shake its branch.

NCERT Solutions for Class 9 Science Chapter 9 Force and Laws of Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-118 Questions No-3

Ishank Singh

Asked: October 27, 2020In: Class 9

Why do you fall in the forward direction when a moving bus brakes to a stop and fall backwards when it accelerates from rest?

NCERT Solutions for Class 9 Science Chapter 9 Force and Laws of Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-118 Questions No-4

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.

Which of the following has more inertia?

Explain why some of the leaves may get detached from a tree if we vigorously shake its branch.

Why do you fall in the forward direction when a moving bus brakes to a stop and fall backwards when it accelerates from rest?

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