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photoshop1234 [79]
3 years ago
12

Waves are common in nature because many different ____________ produce waves

Physics
1 answer:
Kamila [148]3 years ago
3 0

Answer:B

Explanation:

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If you are reading this please help ASAP !!!!!
NISA [10]

Answer:

ok

Explanation:

5 0
3 years ago
run at the same speed and in the same direction, and they both run for the same amount of time, what can you say about the dista
LenaWriter [7]

Answer:

the are equivalent

Explanation:

i just learned about that

4 0
3 years ago
A particle undergoes two displacements. The first has a magnitude of 11 m and makes an angle of 82 ◦ with the positive x axis. T
Luden [163]

Answer:

\theta = 211.7 degree

Explanation:

First displacement of the particle is given as

r_1 = 11 m at 82 degree with positive X axis

so we can say

\vec r_1 = 11 cos82 \hat i + 11 sin82 \hat j

\vec r_1 = 1.53\hat i + 10.9 \hat j

resultant displacement of the particle after second displacement is given as

r = 8.7 m at 135 degree with positive X axis

so we can say

r = 8.7 cos135\hat i + 8.7 sin135\hat j

r = -6.15 \hat i + 6.15 \hat j

now we know that

r = r_1 + r_2

now we have

r_2 = r - r_1

so we will have

r_2 = (-6.15 \hat i + 6.15 \hat j) - (1.53\hat i + 10.9 \hat j)

r_2 = -7.68 \hat i - 4.75 \hat j

so angle of the second displacement is given as

tan\theta = \frac{r_y}{r_x}

tan\theta = \frac{-4.75}{-7.68}

\theta = 211.7 degree

8 0
3 years ago
A data table shows the height of a person on his birthday each year for ten years. What is the the dependent variable? Provide e
iogann1982 [59]

dep var = height

it depends on time ... year

5 0
3 years ago
Read 2 more answers
The 225-N force is exerted on the crate towards the north and the 165-N is exerted toward the East what's the magnitude and dire
Rudik [331]

Answer:

≅279.02 N, 36° 15' from North to East

Explanation:

You can the theory of triangle of forces to find the answer.

Two forces are acting perpendicular to each other so use Pythagoras theorem to find the magnitude of the resultant  force(x).

x² = 225² + 165²

x = 279.02 N

To find the direction use the same force triangle,

Workings are in the attachment,

Download pdf
6 0
3 years ago
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