You attach a meter stick to an oak tree, such that the top of the meter stick is 1.67 meters above the ground. Later, an acorn falls from somewhere higher up in the tree. If the acorn takes 0.261 seconds to pass the length of the meter stick, how high ho above the ground was the acorn before it fell, assuming that the acorn did not run into any branches or leaves on the way down? ho = 4.094 Incorrect m
You attach a meter stick to an oak tree, such that the top of the meter stick is 1.67 meters above the ground. Later, an acorn falls from somewhere higher up in the tree. If the acorn takes 0.261 seconds to pass the length of the meter stick, how high ho above the ground was the acorn before it fell, assuming that the acorn did not run into any branches or leaves on the way down? ho = 4.094 Incorrect m
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Transcribed Image Text:You attach a meter stick to an oak tree, such that the top of the meter stick is 1.67 meters above the ground. Later, an acorn falls
from somewhere higher up in the tree. If the acorn takes 0.261 seconds to pass the length of the meter stick, how high ho above
the ground was the acorn before it fell, assuming that the acorn did not run into any branches or leaves on the way down?
ho =
4.094
Incorrect
m
Transcribed Image Text:Alcohol consumption slows people's reaction times. In a controlled government test, it takes a certain driver 1₁ = 0.27 s to hit
the brakes in a crisis when unimpaired and 12 = 0.83 s when drunk.
If the car is initially traveling at v= 87 km/h, what additional
distance Ax does the car travel before the brakes are applied
when the person is drunk than it travels when the person
is sober?
Ax=
m
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