3 years ago

Let Ir = 17 at an angle of 40° and s = 14 at an angle of 160°. Which expression represents r + s|?

Mathematics

1 answer:

vladimir1956 [14]3 years ago

6 0

Answer:

B. I got it right on the quiz

Step-by-step explanation:

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The velocity of a 150 kg cart changes from 6.0 m/s to 14.0 m/s. What is the magnitude of the impulse that acted on it?

tatuchka [14]

<span>An impulse is the change in momentum. Momentum is mass times velocity. Because the mass does not change, a change in velocity is what creates an impulse. (14.0 m/s - 6.0 m/s) = 8.0 m/s. (150 kg)x(8.0 m/s) = 1200 kgm/s.</span>

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Read 2 more answers

Explain steps ASAP please and thank you

iren [92.7K]

Answer:

$5\sqrt{8}$

$24\sqrt{3}$

Step-by-step explanation:

To simplify the square roots, break the number under the square root into factors. Any factors which are perfect squares may be simplified to outside the square root.

$\sqrt{200}=\sqrt{25*8} =\sqrt{25}*\sqrt{8}= 5*\sqrt{8} =5\sqrt{8}$