Question

The velocity of an object changes from 50m/s to 60m/s in 20sec. what is the average acceleration of the object
A)1m/s2
B)2m/s2
C)0.5m/s2
D)5.5m/s2
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Answer 1

Answer:

Average acceleration = 0.5m/s^2

Answer 2

$accelaration -</p><p></p><p>\frac{fv - sv}{t}tfv−sv</p><p></p><p>fv - final velocity</p><p></p><p>sv- starting velocity</p><p></p><p>t- time</p><p></p><p>so ,</p><p></p><p>\frac{60 - 50}{20}2060−50</p><p></p><p>\frac{10}{20} = 0.52010=0.5</p><p></p><p>so , acceleration is 0.5 m/s option c</p><p></p><p>$