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Cloud [144]
3 years ago
9

A drag racer starts her car from rest and accelerates at 10.9 m/s^2 for the entire distance of 226 m. How long did it take the c

ar to travel this
distance? Answer in units of s.
Physics
1 answer:
Nataliya [291]3 years ago
4 0

u=0

a=10.9m/s^2

s=226m

v^2-u^2=2as

v^2=2 (10.9)(226)

v^2=49268

v=70.2m/s^2

v=u+at

70.2=0+10.9 (t)

70.2/10.9=t

t=6.44s

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Hence, \Delta E = 0. And, as \Delta E = 0 then there will be no work involved. This means that total energy added to the house will return to the outside air as heat.

Therefore,

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3 years ago
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Answer:

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3 years ago
What are disadvantages of using fossil fuels to generate electricity? Check all that apply.
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A 107 gram apple falls from a branch that is 2 meters above the ground. (a) How much time elapses before the apple hits the grou
andreev551 [17]

Answer:

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Explanation:

Given;

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