A diver running 2.4 ms^-1 dives out horizontal from the edge of a vertical cliff and reaches the water below 2.0 s later .
a) How high is the cliff ?
b) How far from its base does the diver hit the water?
Projectile Motion...
2007-10-12 9:14 am
回答 (2)
2007-10-12 9:18 am
參考: My Maths knowledge
2007-10-12 10:17 am
a. u=2.4
a=9.8
t=2
S=ut+1/2at^2
=2.4*2+1/2*9.8*4
=24.4m
a=9.8
t=2
S=ut+1/2at^2
=2.4*2+1/2*9.8*4
=24.4m
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