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ryzh [129]
2 years ago
10

How frequently do most coastal areas experience high tides?

Physics
1 answer:
Alex777 [14]2 years ago
7 0

It doesn't matter where you are.  "Tides" happen twice (hi - lo - hi - lo) in about 24 hours and 50 minutes.  Anywhere.

If it doesn't do two complete cycles in 24 hours 50 minutes, then it's not tide.

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A machine can multiply forces for
Degger [83]

A greater effect.

Hope this helps!


-Payshence

4 0
3 years ago
What happens when you break a magnet in half
Vlad1618 [11]
They'll still be magnets, but they'll never be able to touch each other where they were cut. 

I hope this helps you! :-)
6 0
2 years ago
Read 2 more answers
I need help with question 4 please​
Yuki888 [10]

Answer:

V = 10 km / 1 hr = 10 km/hr

V = -10 j km / hr   if one were to use i, j, k as unit vectors with the usual orientation

4 0
2 years ago
A convex mirror, like the passenger-side rearview mirror on a car, has a focal length of -3.0 m . An object is 6.0 m from the mi
Artist 52 [7]

A) -2.0 m

Look at the ray diagram attached in the picture, where:

p identifies the location of the object

q identifies the location of the image

F identifies the focus of the mirror

Each tick represents 1 m

We have

p = 6.0 m is the distance of the object from the mirror

f = -3.0 m is the focal length

From the ray diagram, we see that q has a distance of 2.0 m from the mirror, and it's on the other side of the mirror compared to the object, so

q = -2.0 m

This can also be verified by using the mirror equation:

\frac{1}{q}=\frac{1}{f}-\frac{1}{p}=\frac{1}{-3.0 m}-\frac{1}{6.0 m}=-\frac{3}{6.0 cm}\\q = \frac{-6.0 cm}{3}=-2.0 cm

B) Upright and virtual

As we see from the picture, the image is upright, since it has same orientation as the object.

Also, we notice that the image is on the other side of the mirror, compared to the object. For a mirror,

- An image is said to be real if it is on the same side of the object

- An image is said to be virtual if it is on the opposite side of the mirror

Therefore, this means that the image is virtual.

8 0
2 years ago
When touched by a plastic straw, the metal sphere will do what?
bearhunter [10]
I believe that if you touch a metal sphere with a plastic straw, the straw would not have enough strength to push it. So in that case, the metal sphere will not move and will stay in one place.

Please rate a 5 star
5 0
3 years ago
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