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anonymous
 one year ago
When a race begins, a racecar accelerates from zero to 200 km/h in 4.80 seconds. What is its average acceleration?
anonymous
 one year ago
When a race begins, a racecar accelerates from zero to 200 km/h in 4.80 seconds. What is its average acceleration?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Shouldn't This Be A Math Question?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1by definition, the average acceleration A is: \[\Large A = \frac{{\Delta v}}{{\Delta t}} = \frac{{200 \cdot 3.6}}{{4.8}} = ...\frac{{meters}}{{{{\sec }^2}}}\] please 200 Km/hour correspond to 200*3.6 m/seconds

kropot72
 one year ago
Best ResponseYou've already chosen the best response.1200 km/h corresponds to \[\large \frac{200}{3.6}\ m/s\]

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1oops.. you are right! @kropot72 thanks! for your comment :) I'm very sorry for my error @Joshdaddy here is the right computation: \[\Large\frac{{\Delta v}}{{\Delta t}} = \frac{{200/3.6}}{{4.8}} = ...\frac{{meters}}{{{{\sec }^2}}}\]

kropot72
 one year ago
Best ResponseYou've already chosen the best response.1@Michele_Laino You're welcome :)
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