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विरामावस्था से सीधी सड़क पर साइकिल चलाना शुरू कर राहुल 30 s में 6 m/s का वेग प्राप्त करता है । तब वह इस प्रकार ब्रेक लगाता है की साइकिल का वेग अगले 5s में घटकर 4 m/s हो जाता है । दोनों स्थितियों में साइकिल के त्वरण की गणना करे ।

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पहली स्थिति में , a= `(v-u)/t = (6 m//s - 0 m//s)/(30 s)`
` = 0.2 m//s^(2)`
दूसरी स्थिति में , ` (v-u)/t=(4m//s- 6 m//s )/(5s)`
` = -0.4 m//s^(2)`

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