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Physics Part-I

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A saturn year is 29.5 times the earth year. How far is the sat

Physics Part-I

Class 11

NCERT

Chapter 1: Physical World

16 questions

Chapter 2: Units and Measurements

51 questions

Chapter 3: Motion in Straight Line

50 questions

Chapter 4: Motion in a Plane

43 questions

Chapter 5: Laws of motion

52 questions

Chapter 6: Work, Energy and Power

41 questions

Chapter 7: System of Particles and Rotational Motion

45 questions

Chapter 8: Gravitation

33 questions

How will you 'weigh the sun', that is estimate its mass? The mean orbital radius of the earth around the sun is

1.5 \times 1 0^{8} km

A saturn year is 29.5 times the earth year. How far is the saturn from the sun if the earth is

1.50 \times 1 0^{8} km

away from the sun ?

A body weighs

63

N on the surface of the earth. What is the gravitational force (in N) on it due to the earth at a height equal to half the radius of the earth ?

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Question

Easy

Solving time: 1 mins

A saturn year is 29.5 times the earth year. How far is the saturn from the sun if the earth is $1.50 \times 1 0^{8} km$ away from the sun ?

Views: 6,458 students

Updated on: Oct 16, 2023

Book:

Physics Part-I (NCERT)

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Asher Discussed

A saturn year is 29.5 times the earth year. How far is the saturn from the sun if the earth is

1.50 \times 1 0^{8} km

away from the sun ?

15 mins ago

Discuss this question LIVE

15 mins ago

Text solutionVerified

Distance of Earth from Sun,

r_{e} = 1.5 \times 1 0^{11} m

Time period of Earth

= T_{e}

Time period of Saturn,

T_{s} = 29.5 T_{e}

Distance of Saturn from the Sun

= r_{s}

From Kepler’s third law of planetary motion,

T = \frac{4 π ^{2} r ^{3}}{GM}

⟹ r_{s}^{3} / r_{e}^{3} = T_{s}^{2} / T_{e}^{2}

r_{s} = r_{e} (T_{s} / T_{e})^{2/3}

= 1.5 \times 1 0^{11} \times 29. 5^{2/3}

= 14.32 \times 1 0^{11} m

Therefore, the distance between Saturn and the Sun is

1.43 \times 1 0^{12} m

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Practice more questions from Physics Part-I (NCERT)

How will you 'weigh the sun', that is estimate its mass? The mean orbital radius of the earth around the sun is

1.5 \times 1 0^{8} km

A saturn year is 29.5 times the earth year. How far is the saturn from the sun if the earth is

1.50 \times 1 0^{8} km

away from the sun ?

A body weighs

63

N on the surface of the earth. What is the gravitational force (in N) on it due to the earth at a height equal to half the radius of the earth ?

View all

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Question Text	A saturn year is 29.5 times the earth year. How far is the saturn from the sun if the earth is $1.50 \times 1 0^{8} km$ away from the sun ?
Updated On	Oct 16, 2023
Topic	Gravitation
Subject	Physics
Class	Class 11
Answer Type	Text solution:1 Video solution: 14
Upvotes	1341
Avg. Video Duration	6 min

A saturn year is 29.5 times the earth year. How far is the saturn from the sun if the earth is $1.50 \times 1 0^{8} km$ away from the sun ?

Text solutionVerified

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