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ozzi
3 years ago
12

The force on the last car of a train with a mass of 4.5 4.5 kg is 8.0 8.0 N . What is the train's acceleration in /2 m/s 2 ? Ent

er your answer as a decimal, rounded to the hundredths place, with the appropriate unit, like this: 4.25 4.25 m.
Mathematics
1 answer:
wolverine [178]3 years ago
3 0

Answer:

a=1.8 m/s'2

Step-by-step explanation:

from Newton's second law, F=ma

8N=4.5kg (a), a=8/4.5=1.8m/s'2

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When a fraction is divided by the difference of 1/2 and 1/6 we get 2/3 what is the fraction
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The difference between 1/2 and 1/6 is 2/6. So to write an expression we could do x divided by 2/6=2/3. So instead of a division expression, we could make that into a multiplication problem 2/6 times 2/3=x.  2/6 times 2/3= 4/18 so your answer is 4/18 or 2/9
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The population of a community is known to increase at a rate proportional to the number of people present at time t. If the popu
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Answer:

P(t) = P(0)e^{0.0693t}

Step-by-step explanation:

The population of a community is known to increase at a rate proportional to the number of people present at time t.

This means that the population growth is modeled by the following differential equation:

\frac{dP(t)}{dt} = rP(t)

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P(t) = P(0)e^{rt}

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P(t) = P(0)e^{rt}

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Answer:

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