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Physics Part-I

Motion in a Plane

An aircraft is flying at a height of 3400 m above the ground.

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

Read each statement below carefully and state, with reasons and examples, if it is true or false :
A scalar quantity is one that ;

(a) is conserved in a process.

(b) can never take negative values

(d) does not vary from one point to another in space.

(e) has the same value for observers with different orientations of axes.

An aircraft is flying at a height of 3400 m above the ground. If the angle subtended at a ground observation point by the aircraft positions 10.0 s apart is

3 0^{o}

, what is the speed of the aircraft ?

A vector has magnitude and direction. Does it have a location in space ? Can it vary with time ? Will two equal vectors

a

and

b

at different locations in space necessarily have identical physical effects ? Give examples in support of your answer.

View all question

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

Question

Easy

Solving time: 1 mins

An aircraft is flying at a height of 3400 m above the ground. If the angle subtended at a ground observation point by the aircraft positions 10.0 s apart is $3 0^{o}$ , what is the speed of the aircraft ?

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Updated on: Feb 10, 2024

Book:

Physics Part-I (NCERT)

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Oliver Discussed

An aircraft is flying at a height of 3400 m above the ground. If the angle subtended at a ground observation point by the aircraft positions 10.0 s apart is

3 0^{o}

, what is the speed of the aircraft ?

10 mins ago

Discuss this question LIVE

10 mins ago

Text solutionVerified

In right angled triangle OAB,

tan 3 0^{o} = \frac{h}{x}

We get

x = \frac{h}{tan 3 0 ^{o}}

∴

x = 34003 = 5889

Time taken

t = 10.0

Thus speed of the aircraft

v = \frac{x}{t}

∴

v = \frac{5889}{10.0} = 588.9

m / s

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Practice more questions from Physics Part-I (NCERT)

Read each statement below carefully and state, with reasons and examples, if it is true or false :
A scalar quantity is one that ;

(a) is conserved in a process.

(b) can never take negative values

(d) does not vary from one point to another in space.

(e) has the same value for observers with different orientations of axes.

An aircraft is flying at a height of 3400 m above the ground. If the angle subtended at a ground observation point by the aircraft positions 10.0 s apart is

3 0^{o}

, what is the speed of the aircraft ?

A vector has magnitude and direction. Does it have a location in space ? Can it vary with time ? Will two equal vectors

a

and

b

at different locations in space necessarily have identical physical effects ? Give examples in support of your answer.

View all

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Question Text	An aircraft is flying at a height of 3400 m above the ground. If the angle subtended at a ground observation point by the aircraft positions 10.0 s apart is $3 0^{o}$ , what is the speed of the aircraft ?
Updated On	Feb 10, 2024
Topic	Motion in a Plane
Subject	Physics
Class	Class 11
Answer Type	Text solution:1 Video solution: 12
Upvotes	1287
Avg. Video Duration	9 min

An aircraft is flying at a height of 3400 m above the ground. If the angle subtended at a ground observation point by the aircraft positions 10.0 s apart is $3 0^{o}$ , what is the speed of the aircraft ?

Text solutionVerified

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