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Using this information...
Determine the velocity of the pebble as it passes over the top of the tree.​


Using This InformationDetermine The Velocity Of The Pebble As It Passes Over The Top Of The Tree class=

Sagot :

[tex]19.2\:\text{m/s}[/tex]

Explanation:

At the top of the tree, the velocity of the pebble is purely horizontal so we can calculate it as

[tex]v_{y} = v_{0y} = v_0\cos 40° = (25\:\text{m/s})(0.766)[/tex]

[tex]\:\:\:\:\:= 19.2\:\text{m/s}[/tex]