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irakobra [83]
2 years ago
7

एक वाक्य में उत्तर लिखिए : 1. आज किसको बचाने की मांग है? 2. जीव कब तक जगत में रह सकता है? १. कवि किसको शुद्ध रखने की बात करते है

ं? 1. सोंधी मिट्टी को क्या कहा गया है? जीव जगत के मित्र कौन-कौन हैं? कवि किसका संकट दूर करने की बात करते शि के बदले में कितने वक्ष लगाने​
Physics
2 answers:
lilavasa [31]2 years ago
5 0

Answer:

I can't understand

my friend

____ [38]2 years ago
3 0

प्रश्न 1.

आज किसको बचाने की माँग है?

उत्तरः

आज पर्यावरण को बचाने की माँग है।

प्रश्न 2.

जीव कब तक जगत में रह सकता है?

उत्तरः

जब तक जगत में पानी है तब तक जीव जगत में रह सकता है।

प्रश्न 3.

कवि किसको शुद्ध रखने की बात करते हैं?

उत्तरः

कवि वायु को शुद्ध रखने की बात करते है।

प्रश्न 4.

सोंधी मिट्टी को क्या कहा गया है?

उत्तरः

सोंधी मिट्टी को रानी कहा गया है।

प्रश्न 5.

जीव जगत के मित्र कौन-कौन हैं?

उत्तरः

जीव जगत के मित्र ध्वनि, मिट्टी और जलवायु है।

प्रश्न 6.

कवि किसका संकट दूर करने की बात करते हैं?

उत्तरः

कवि शोर और मिट्टी का संकट दूर करने की बात करते हैं।

प्रश्न 7.

कवि एक वृक्ष के बदले में कितने वृक्ष लगाने को कहते हैं?

उत्तरः

कवि एक वृक्ष के बदले में ग्यारह वृक्ष लगाने को कहते हैं।

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Answer:

17.4 cm

Explanation:

Power of lens = +1.75 diopters

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f=\frac{100}{1.75}=\frac{400}{7}

This is a convex lens as focal the diopter given is positive which makes the focal length positive. Image distance will be negative.

v = -25

\frac{1}{v}-\frac{1}{u}=\frac{1}{f}\\\Rightarrow \frac{1}{-25}-\frac{1}{u}=\frac{1}{\frac{400}{7}}\\\Rightarrow -\frac{1}{u}=\frac{7}{400}+\frac{1}{25}\\\Rightarrow \frac{1}{u}=-\frac{7}{400}-\frac{1}{25}\\\Rightarrow \frac{1}{u}=-0.0575\\\Rightarrow u=-17.4\ cm

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7 0
3 years ago
The space shuttle, in circular orbit around the Earth, collides with a small asteroid which ends up in the shuttle's storage bay
Artemon [7]

Answer:

b

Explanation:

The space shuttle, in circular orbit around the Earth, collides with a small asteroid which ends up in the shuttle's storage bay.

This form of collision is called inelastic collision. And inelastic collision momentum is conserved but the kinetic energy is not conserved. Hence the correct option is b. only momentum is conserved.

 

8 0
3 years ago
Having aced your Physics 2111 class, you get a sweet summer-job working in the International Space Station. Your room-mate, Cosm
Sphinxa [80]

Answer:

a

The speed is   s =  5.857 m/s

b

The distance is  D = 22.4  \  m

Explanation:

From the question we are told that

     The speed of the banana is  v =  16 \ m/s

   The distance from my  location is  d =  8.2  \ m  

     The time taken is  t = 1.4 \ s

The speed of the ice cream is

          s =  \frac{d}{t}

substituting values

        s =  \frac{8.4}{1.4}

        s =  5.857 m/s

The distance of separation between i and Valdimir is the same as the distance covered by the banana

   So  

          D =  v * t

substituting values

        D = 16 *  1.4

        D = 22.4  \  m

     

3 0
2 years ago
these are the types of attractions found between molecules. their strength determines the state of the substance at room tempera
Elina [12.6K]
<h2>Answer</h2>

The physical state of the elements depends upon the <u>attraction forces </u>and their <u>kinetic energy</u>.

<h2>Explanation</h2>

The elements or substances are fixed with each other with the help of different chemical forces including ionic bonding, covalent bonding, H- bonding etc. The strength of these forces is also one of the factors that affect their physical natures. For example, covalent or ionic bonds are the strongest bonds than all other bonds and metals that contain these forces are mostly in solid form. The kinetic motion of electrons in the element also affects the physical state of the element and potential of bonding.

7 0
3 years ago
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The speed of sound is 346 m/s. If a sound wave travels at a frequency of 55 Hz, what would its wavelength be?​
Korvikt [17]

Answer:

6.29 meters.

Explanation:

, where v is the speed of wave and f is the frequency of wave.

We are given that ,

The speed of sound is 346 m/s.

i..e v=346 m/s

A sound wave travels at a frequency of 55 H.

i..e f=55

the wavelength would be 6.29 meters.

This is based on another brainly answer

Link: brainly.com/question/12538018

3 0
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