3 years ago

A roller coaster car is released from rest as shown in the image below. If

Physics

1 answer:

mrs_skeptik [129]3 years ago

4 0

Answer:

40m/s

Explanation:

a=g

u=0

s=81

v²=u²+2as

v²=2(9.81)(81)

v=√1587.6=39.8446985181≈40m/s

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