Lesquirrel
26.08.2019 •
Chemistry
Using the acceleration equation
try it
a cyclist going downhill is accelerating at 1.2 m/s2. if the final velocity of the cyclist is 16 m/s
is the cyclist's initial velocity?
o oo
0 4 m/s
o 12 m/s
o 18 m/s
o 20 m/s
Solved
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Ответ:
Change in velocity (\Delta v) is acceleration (a) times time (t)
Acceleration a=1.2\ m/s^{2}
Time t=10\ s
So \Delta v=at=1.2\ m/s^{2}*10\ s=12\ m/s
The initial velocity is then 16\ m/s-12\ m/s=4\ m/s
Easy 4m/s
Explanation:
Ответ: