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3 years ago

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A progressive wave is represented by Y=Asin (wt +pi/6) . If displacement at the origin at time 0 is 3.5cm, if velocity is 500cms

-¹ .calculate the acceleration at time t=5T/12. Where T is period.

1 answer:

Sunny_sXe [5.5K]3 years ago

3 0

Answer:

a progressive wave is represented

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Two men decide to use their cars to pull a truck stuck in mud. They attach ropes and one pulls with a force of 598 N at an angle

kondaur [170]

Answer:

magnitude of the force is

$F = 1537 N$

direction of the force is given as

$\theta = 25.3 degree$

Explanation:

As we know that the first force is 598 N at 29 degree

so we have

$F_1 = 598(cos29 \hat i + sin29 \hat j)$

$F_1 = 523 \hat i + 290 \hat j$

Now another force is 941 N at 23 degree

$F_2 = 941(cos23\hat i + sin23\hat j)$

$F_2 = 866.2 \hat i + 367.7 \hat j$

so we will have

$F = F_1 + F_2$

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$F = 1389.2\hat i + 657.7 \hat j$

magnitude of the force is

$F = \sqrt{1389.2^2 + 657.7^2}$

$F = 1537 N$

direction of the force is given as

$tan\theta = \frac{F_y}{F_x}$

$tan\theta = \frac{657.7}{1389.2}$

$\theta = 25.3 degree$

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3 years ago