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प्रश्न
If the velocity is `vecv = 2hati + t^2hatj - 9veck`, then the magnitude of acceleration at t = 0.5 s is ______
विकल्प
1m s-2
2 m s-2
zero
-1 m s-2
उत्तर
If the velocity is `vecv = 2hati + t^2hatj - 9veck`, then the magnitude of acceleration at t = 0.5 s is 1 m s-2.
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