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खालील सारणी पूर्ण करा. u (m/s) a (m/s2) t (sec) v = u + at (m/s) 2 4 3 ______ ______ 5 2 20 - Science and Technology [विज्ञान आणि तंत्रज्ञान]

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खालील सारणी पूर्ण करा.

u (m/s) a (m/s2) t (sec) v = u + at (m/s)
2 4 3 ______
______ 5 2 20
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Fill in the Blanks

Solution

u (m/s) a (m/s2) t (sec) v = u + at (m/s)
2 4 3 14
10 5 2 20

स्पष्टीकरण:

(i) u = 2; a = 4; t = 3; v = u + at (m/s) = ?

v = u + at (m/s)

= 2 + 4 × 3 

= 2 + 12

∴ v = 14 (m/s)

(ii) u = ?; a = 5; t = 2; v = u + at (m/s) = 20

v = u + at (m/s)

⇒ 20 = u + 5 × 2

⇒ 20 = u + 10

⇒ 20 - 10 = u

∴ u = 10 (m/s)

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Chapter 1: गतीचे नियम - स्वाध्याय [Page 17]

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Balbharati Science and Technology [Marathi] 9 Standard Maharashtra State Board
Chapter 1 गतीचे नियम
स्वाध्याय | Q 3. अ. | Page 17
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