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max2010maxim [7]

4 years ago

10

What happens when two waves meet while they travel through the same medium

1 answer:

Yuki888 [10]4 years ago

7 0

Wave Interference or Interference of wave

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Which statement or statements accurately describe characteristics of subsidized Stafford loan?

adelina 88 [10]

C.) I and II

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3 years ago

The normal force equals the magnitude of the gravitational force as a roller coaster car crosses the top of a 40-m-diameter loop

iogann1982 [59]

Answer:

Explanation:

Given

Diameter $d=40\ m$

radius $r=20\ m$

From diagram, at top point

If Normal force is equal to Gravitational force

$N=mg$

where N=normal reaction

m=mass of car

Normal reaction will provide centripetal force

$N=\frac{mv^2}{r}$

thus

$\frac{mv^2}{r}=mg$

$v=\sqrt{2gr}$

$v=\sqrt{2\times 9.8\times 20}$

$v=19.79\ m/s$

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3 years ago

Which object has a weight of about 22.5 n the book the rock the box the fish

Alex Ar [27]

Answer: The rock

Explanation:

8 0

2 years ago

An object stays at rest until what happens to it?

bixtya [17]

D. an outside or unbalanced force acts upon the object.

4 0

3 years ago

A soccer player is running upfield at 10 m/s and comes to a stop in 3 seconds facing the same direction. What is his acceleratio

I am Lyosha [343]

His acceleration would be 3.34 m/s

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4 years ago