3 years ago

¿A que velocidad viaja la luz?

Physics

1 answer:

professor190 [17]3 years ago

7 0

Answer:

299,792 km

Explanation:

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A diver, of mass 40kg, climbs up to a diving platform 1.25m high. What’s her KE

Leona [35]

Explanation:

The formula for KE ( Kinetic Energy ) is : 1/2 mv²

Solution:

First we solve for v ( velocity ) using the formula 2gh, where g is gravity [ 9.8 m/s² ] and h is height [ 1.25 m ]

= 2 ( 9.8 m/s² × 1.25 m ) = 24.5 m/s

The velocity is 24.5 m/s.

Now solve for KE using the formula 1/2 mv²

= 1/2 ( 40 kg × 24.5m/s ² )

= 1/2 ( 40 kg × 600.25 )

= 1/2 ( 24,010 )

= 12,005 Joules

The diver's kinetic energy is 12,005 J.

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2 years ago

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Transuranic.

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Oxygen is needed for the reactions that cause artifacts to decay in the ocean.

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The relationship between sharks and remoras is characterized<br><br>TRUE <br> OR<br>FALSE

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False, sharks and remoras have a symbiotic relationship. The remora removes parasites from the sharks scales, and the shark provides protection for the remora

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3 years ago

Wave length of sodium light is 5893A express in nanometre

DaniilM [7]

Answer:

589.3 nm

Explanation:

The wavelength of a sodium light is 5893 A.

We need to find the wavelength in nm.

$5893\ A=5893\times 10^{-10}\ m$

Also, $1\ nm=10^{-9}\ m$

$5893\ A=5893\times 10^{-9}\times 10^{-1}\ m\\\\=5893\times 10^{-1}\ nm\\\\=589.3\ nm$

So, the wavelength of sodium light is 589.3 nm.

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3 years ago