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Asked on :05 December 2022:08:21:02 PM

## What did he find in a secret drawer ? Who do you think had put it in there ?

-Added by Manisha Kumari English » NCERT Text Book Questions

He found a small black tin box in a secret drawer. Mrs Connie Macpherson had put it in there.

On 05 December 2022:08:26:31 PM

Asked on :05 December 2022:08:18:28 PM

## Name the various agricuItural activities.

The various agricultural activities are as follows ;

(a) Soil preparation,                                                                                              (b) sowing

(d) irrigation,

(e) Protection from weed,

(f) harvesting, and

(g) storage.

On 05 December 2022:08:24:32 PM

Asked on :05 December 2022:08:04:22 PM

## What did the author find in a junk shop ?

-Added by Manisha Kumari English » NCERT Text Book Questions

The auother found a roll-top desk in a junk shop.

On 05 December 2022:08:14:07 PM

Asked on :30 November 2022:06:53:44 PM

## What are the main use of graphs?

-Added by Master Mind Science » Graphic Representation Of Motion

The main use of graphs:

(i) Graphs are very useful for comparing the motion of two moving bodies.

(ii) The position of the body at any instant of time can be determined from the distance – time graph.

(iii) Slope of velocity time graph gives the acceleration of an object.

(iv) Straight line graphs help in solving a linear equation in two variables.

(v) Distance time graph tell when and where one body crosses the other body.

On 30 November 2022:06:54:49 PM

Asked on :30 November 2022:06:46:58 PM

## What is graphic representation of Motion? Explain with examples.

-Added by Master Mind Science » Graphic Representation Of Motion

Graphic representation of motion:

Graphs are used to represent the motion of an object. Graphs provide a convenient method to present basic information about a variety of events.

Examples of graphic representation of motion:

(i) In the telecast of a one-day cricket match.

(ii) Vertical bar graphs show the run rate of a team in each over.

(iii) As you have studied in mathematics, a straight line graph helps in solving a linear equation having two variables.

On 30 November 2022:06:50:08 PM

Asked on :30 November 2022:06:38:43 PM

## What are the factors which changes the velocity?

-Added by Master Mind Science » Change In Velocity

There are two major factors which can change in velocity.

(i) Changing in magnitude.

(ii) Changing in direction.

On 30 November 2022:06:41:58 PM

Asked on :30 November 2022:06:35:37 PM

## What is the differences between speed and velocity?

-Added by Master Mind Science » Speed And Velocity

Differences between Speed and Velocity.

Speed:

(i) It is a distance covered in unit time.

(ii) It is a scalar quantity.

(iii) Average speed of moving object can not be zero.

(iv) Speed of an object can never be zero.

Velocity:

(i) It is a displacement covered in unit time with direction.

(ii) It is a vector quantity.

(iii) Average velocity of moving object can be zero.

(iv) Velocity of an object can be positive, negative or zero.

On 30 November 2022:06:36:59 PM

Asked on :30 November 2022:05:59:41 PM

## What is velocity? Write the types of velocity.

-Added by Master Mind Science » Velocity

The direction of motion along with its speed. The quantity that specifies both these aspects is called velocity.

Definition: Velocity is the speed of an object moving in a definite direction. It is called velocity.

S.I unit of velocity is m/s or m s-1.

Type of Velocity:

(i) Uniform velocity: When an object covers equal displacement in equal time of interval. It is called uniform velocity.

(ii) Non-uniform velocity: When a object covers unequal displacement in equal time of interval. It is called non-uniform velocity.

(iii) Average velocity: Average velocity is given by the arithmetic mean of
initial velocity and final velocity for a given period of time.

Initial velocity : Initial velocity of an object means the velocity when the object starts displacing where time(t) may be zeto or t ≠ 0.

It is denrted by 'u'.

Final velocity : Final velocity of an object is given by time t. It is the value of final position in velocity of the object.

On 30 November 2022:06:06:36 PM

Asked on :25 November 2022:07:44:14 PM

## What precautions are under taken before storing the foodgrains ?

Precautions undertaken before storing foodgrains are:                                                (i) Grains should be dried properly.                                                                             (ii) Proper chemical treatment should be done to protect grains from insects, pest and microorganisms.

On 25 November 2022:07:50:25 PM

Asked on :25 November 2022:05:53:26 PM

## नाजीवाद विचारधारा क्या थी? समझाइए |

-Added by Master Mind History » Nazism

जर्मन तानाशाह एल्डोफ हिटलर अपने आम जन के बीच एक ऐसी विचार को आगे बढाया जिसमें सरकार की हर योजना मे पहल हो परंतु फिर वह योजना जनता-समाज की भागिदारी से चले | जिसके निम्नलिखित तत्व थे -

•  कट्टर जर्मन राष्ट्रवाद,
• देशप्रेम,
• विदेशी विरोधी,
• आर्य और जर्मन हित

इस विचार धारा के मूल अंग थे | वर्त्तमान में न तो हिटलर है और नहीं उसके नाज़ीवाद की विचारधारा | यह विचारधारा ही दुसरे विश्वयुद्ध का कारण बनी और हिटलर तानाशाह बना | उसने इस विचारधारा को कायम रखने के लिए लोगों पर बहुत जुल्म किये |

On 25 November 2022:05:55:51 PM

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