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irakobra [83]
2 years ago
6

You and your friend are both 14 years old. Your friend however moves to a planet where just 30 minutes on that planet is the sam

e as 5 years on Earth. It has been 10 years on Earth since your friend moved.
1) How much time has passed for your friend?
2) How old is your friend?
3) How old are you?
4) Who is older, you or your friend?
Physics
1 answer:
vaieri [72.5K]2 years ago
5 0

Answer:

ok so

Explanation:

1.) 1 hour

2.) 14 years old

3.)

24 years old

4.) you are

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Could an experiment similar to young's two-slit experiment be performed with sound? how might this be carried out? does it matte
Arada [10]
Young's double slit experiment(YDSE) can be used for any kind of waves such as electromagnetic waves, sound waves, water waves, gravity waves. YDSE is based on interference. In this experiment, we make two waves interfere in order to obtain bright and dark fringes on the screen(in case of light).
You can carry this out with water, would be great if you try this at pond or water reservoir in order to see perfect ripples. 

7 0
3 years ago
Examine the scenario.
vovangra [49]

Answer:

acceleration 8 km/h/s south

Explanation:

First of all, let's remind that a vector quantity is a quantity which has both a magnitude and a direction.

Based on this definition, we can already rule out the following two choices:

distance: 40 km

speed: 40 km/h

Since they only have magnitude, they are not vectors.

Then, the following option:

velocity: 5 km/h north

is wrong, because the car is moving south, not north.

So, the correct choice is

acceleration 8 km/h/s south

In fact, the acceleration can be calculated as

a=\frac{v-u}{t}

where

v = 40 km/h is the final velocity

u = 0 is the initial velocity

t = 5 s is the time

Substituting,

a=\frac{40 km/h-0}{5 s}=8 km/h/s

And since the sign is positive, the direction is the same as the velocity (south).

7 0
3 years ago
Can someone help pleaseeee
Eduardwww [97]

Answer:

Motion with constant velocity of magnitude 1 m/s (uniform motion) for 4 seconds in a positive direction and then for 2 seconds uniform motion with constant velocity of magnitude 3 m/s in reverse direction .

Explanation:

The graph shows a constant velocity of 1 m/s for 4 seconds in the positive direction. After that, between 4 seconds and 6 seconds, the object reverses its motion with constant velocity of magnitude 3m/s.

4 0
3 years ago
Think of a famous person and gather information about him/her​
dybincka [34]

Abraham Lincoln

Explanation:

hope it helps you a little

4 0
3 years ago
Would you rather cuddle a koala or pal around with a panda?
Marianna [84]

Answer:

I don't really understand the wording of this question but I'd totally cuddle a Koala! If they weren't so mean

Explanation:

Thanks for listening!

6 0
2 years ago
Read 2 more answers
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