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60 m/s
20
OB
20 m
s 5ה tan
Normal and Tangential Coordinates
3. Determine the increase in speed and the normal component of acceleration at s = 2 m.
At s = 0, v = 0.
s = 2 m
v = 4 m/s
2 m
4. Determine the acceleration at the inştant shown. The particle has a constant speed of 2
m/s.
y 2x
2 m/s
Datermine the acceleration at s = 2 m if v' =
(2 s) m/s, where s is in meters.
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