3 years ago

What is the net force on a 100kg object accelerating at 3 m/s

Physics

1 answer:

mina [271]3 years ago

5 0

Answer:hence, the force needed to accelerate the 1000kg car by 3m/s2 is 3000N

Explanation:

plz mark as brainlyist plz

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loris [4]

Answer:

4.4721m

Explanation:

#Use Pythagorean theorem to find the distance between the two speakers:

$a^+b^2=c^2\\4^2+2^2=d^2\\\sqrt{20}\ mm=d$

There are antinodes 1/4,1/2 and 3/4 of the distance between speakers.

The greatest antinode is 3/4-1/4=1/2

#Distance between consecutive antinodes is:

$0.5\times \sqrt{20}=\lambda/2\\\\\lambda=4.4721m$

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3 years ago

An earthquake in San Francisco produces a wave with a period of 0.80 seconds and a wavelength of 40 m., How long will it take fo

gtnhenbr [62]

Answer:

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Explanation:

Wave speed is given by the formula

$Speed = \frac{wavelength}{Time\: period}$

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$speed = \frac{40}{0.80}$

$v = 50 m/s$

now the time taken by the wave to move the distance 560 km is given as

$t = \frac{distance}{speed}$

$t = \frac{560\times 10^3}{50}$

$t = 11200 s$

t = 3.11 hours

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3 years ago

Who wrote the mayflower compact?

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Explanation:

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