nabeelbokhari11 nabeelbokhari11

21-09-2022
Physics

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At this rate, how long does it take to accelerate from 70 km/h to 110 km/h ?

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beckerjnr beckerjnr

21-09-2022

Answer:

[tex]{ \tt{acceleration = \frac{ \triangle \: v}{t} }} \\ \\ { \tt{a = \frac{110 - 70}{t} }} \\ \\ { \tt{t = \frac{40}{a} } \: s}[/tex]

For a body under free fall; a = g = 9.8

[tex]{ \tt{t = \frac{40}{9.8} }} \\ \\{ \tt{t = 4.08 \: s}}[/tex]

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