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4 years ago

Some tip to heal up eyes?

Physics

2 answers:

Lady bird [3.3K]4 years ago

8 0

Answer:

DO rinse your eye with saline solution or clean water. ...

DO blink. ...

DO pull your upper eyelid over your lower eyelid. ...

DO wear sunglasses. ...

DON'T rub your eye. ...

DON'T touch your eye with anything. ...

DON'T wear your contact lenses. ...

DON'T use redness-relieving eye drops.

motikmotik4 years ago

7 0

You can get eye drops or any healing solution from your eye doctor!

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3 years ago

A rotating cylinder about 16 km long and 7.8km in diameter is designed to be used as a space colony.

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0.05 rad/s

Explanation:

7.8 km = 7800 m

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But centripetal acceleration is product of angular velocity squared and radius of rotation r

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3 years ago

Two cars A and B are moving with velocities 20 m/s and 15 m/s in the direction east and west respectively. If

Sphinxa [80]

Answer:

Distance between them is 4,200 meters.

Explanation:

Consinder car A:

${ \bf{distance = speed \times time }}$

substitute:

$distance = 20 \times (2 \times 60) \\ = 2400 \: m$

Consider car B:

$distance = 15 \times (2 \times 60) \\ = 1800 \: m$

since these cars move in opposite directions, distance between them is their summation:

$distance \: between = { \sum(distance \: of \: each \: car)} \\ = 2400 + 1800 \\ = 4200 \: m$

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3 years ago