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An artificial satellite is moving in a circular orbit of radiu

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Class 9

NCERT

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

(a)

An object with a constant acceleration but with zero velocity.

(b)

An object moving in a certain direction with an acceleration in the perpendicular direction.

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.

An object travels

16 m

4 s

and then another

16 m

2 s

. What is the average speed of the object?

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Question

Easy

Solving time: 3 mins

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.

Views: 6,379 students

Updated on: Sep 7, 2023

Book:

Science (NCERT)

Found 7 tutors discussing this question

Levi Discussed

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.

14 mins ago

Discuss this question LIVE

14 mins ago

Text solutionVerified

Time taken by the satellite to revolve around the earth once

t = 24

hours

∴ t = 24 \times 3600

= 86400

Radius of the orbit

R = 42250

= 42250000

Let the velocity of the satellite be

v

∴

v = \frac{2 π R}{t} = \frac{2 \times 3.14 \times 42250000}{86400}

⟹ v = 3070.95

m s^{- 1}

= 3.1

km s^{- 1}

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Practice more questions from Science (NCERT)

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

(a)

An object with a constant acceleration but with zero velocity.

(b)

An object moving in a certain direction with an acceleration in the perpendicular direction.

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.

An object travels

16 m

4 s

and then another

16 m

2 s

. What is the average speed of the object?

View all

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Question Text	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.
Updated On	Sep 7, 2023
Topic	Motion
Subject	Science
Class	Class 9
Answer Type	Text solution:1 Video solution: 23
Upvotes	2338
Avg. Video Duration	4 min

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.

Text solutionVerified

Filo tutor solutions (23)

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