Physics
littlemissattitude
2016-04-13 23:29:27
  If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object?        A. 13.58 m/s   B. 2.75 m/s   C. 33 m/s   D. 5.42 m/s  
ANSWERS
Meghamm
2016-04-14 04:48:46

[latex]Given:\v_0=65 frac{m}{s} \v_1=98frac{m}{s}\t=12s\\Find:\a=?\\Solution:\\a= frac{Delta v}{t} \\Delta v=v_1-v_0\\a= frac{v_1-v_0}{t} \\a= frac{98frac{m}{s}-65frac{m}{s}}{12s} =2,75 frac{m}{s^2} \\Answer;;B[/latex]

quin2484
2016-04-14 04:50:01

The answer is 2.75 m/s. you can get it by using a formula (v-u)/t.

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