If a 7kg object is thrown straight upwards at a speed of 10m/s(meters per second)
To what height will it rise?
note: gravitational constant = -9.8m/s
m=7kg ; v=10m/s ; g=9.8m/s²
Ep=m*g*h ; Ek=(m*v²)/2
Ep=Ek
7kg*9.8m/s²*h=(7kg*10m/s²)/2
68.6h=350
h=5.1
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Posted by dl
on 2003-11-02 13:33:39 |