a ball is thrown horizontally with an initial speed of 10ms from an 80 m cliff.how long does it take to reach the ground?
Given:
h=80 mh=80\:\rm mh=80m
g=9.8 m/s2g=9.8\:\rm m/s^2g=9.8m/s2
v0=10 m/sv_0=10\:\rm m/sv0=10m/s
The time of motion is equal to the time of free falling:
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