Answer to Question #287515 in Physics for evan

Question

9. Bakugo is initially at rest but then darts forward 800 min 125. What is his acceleration? Formula: x= 1/2 at2

8. A Ford Mustang racing at NASCAR accelerates at a rate of 60 m/s for 2.0s. How far does it move Formula: x= 1/2 at2

7.. An object initially at rest experiences an acceleration of 9.8 ms. How much time will it take to achieve a velocity of 49 m/s?

Formula: t = v - v0

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a

Answer 1

9. $a=2x/t^2=2·800/125^2=0.102\text{ m/s}^2.$

8. $x=at^2/2=60·2^2/2=120\text{ m}.$

7. $t=(v-v_0)/g=(49-0)/9.8=5\text{ s}.$