ok, so i tried everything and decided to come here
1. a car starts from rest and travels for 5.0s with a uniform acceleration of +1.9m/s^2. the driver then applies the brakes, causing a uniform acceleration of - 1.6 m/s^2.
A) if the brakes are applied for 2.6 s, how fast is the car going at the end of the braking period? answer: 5.34 m/s
B) how far has it gone from it's start? answer in units of m
it is not 9.5m or 13.66m
?? please help
and
a plane lands with a velocity of +110.3m/s and accelerates at a maximum rate of -5.5m/s^2
A) from the instant the plane touches the runway, what is the minimum time needed before it can come to rest? answer: 20.054
B) the plane is landing on a naval aircraft carrier that is 0.80 km long. what distance does the plane require to land? answer in units of km
it is not 0.1103km or 0.60665km
yes it is help on my homework that is why it is homework help
please any help would be appreciated
2007-01-04
15:21:20
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2 answers
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asked by
me
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