3 years ago

Which of the following is not a means to accelerating?

Physics

1 answer:

GenaCL600 [577]3 years ago

8 0

The answer is B. Remain still.

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Choose all the answers that apply. Which of the following statements are true? Science is always a positive force. Animal testin

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3 years ago

How will the force of friction affect a wood block being pushed over a table?

olasank [31]

Answer:

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2 years ago

What percentage of the takeoff velocity did the plane gain when it reached the midpoint of the runway? a plane accelerates from

ElenaW [278]

When is at the end of the runway the velocity of the plane is given by the equation $vf^{2}=0+2*a*s$ where s=1800 m is the runway length. Thus
$vf^{2}=2*5*1800=18000 (m/s)^{2}$
$vf =134.164 (m/s)$

At half runway the velocity of the plane is
$v^{2}=2*5* \frac{1800}{2}=9000 ( \frac{m}{s} )^{2}
$
$v= \sqrt{9000}=94.87 ( \frac{m}{s})$

Therefore at midpoint of runway the percentage of takeoff velocity is
‰ $P= \frac{v}{vf}= \frac{94.87}{134.164}=0.707$

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3 years ago

A current of 12 amps is measured in a circuit with a total resistance of 9.0 ohms. What is the size of the voltage source that s

Serjik [45]

Data:
i (current) = 12 A
R (resistance) = 9.0 Ω
V (voltage) = ? (volts)

Formula:
$V = R*i$

Solving:
$V = R*i$
$V = 9.0*12$
$\boxed{\boxed{V = 108\:volts}}\end{array}}\qquad\quad\checkmark$

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3 years ago

Why is it important to learn refusal skills?

Elena L [17]

I'd say C to avoid situations in which alcohol is present and remain alcohol free

Refusal skills help people, most likely children it helps them avoid participating in risky behaviors and choices. such like alcohol in this case

Refusal skills Helps them resist peer pressure and help them make right choices

Hope that helps alrighty bye now!

6 0

3 years ago

Read 2 more answers