3 years ago

How old is the universe

Physics

2 answers:

Virty [35]3 years ago

5 0

Roughly 13.8 billion years old according to science

poizon [28]3 years ago

4 0

Answer:

The earth is around 6,000 years old. It cannot scientifically be 14 billion years old because earth is slowing down, this means it used to be going faster. This makes it so that carbondating cannot work because of the magnetic field and that if dinasaurs lived millions of years ago they wouldn't have gotten hit by an asteroid, they would've just flew off the earth.

Explanation:

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Convert 0.000238 m to cm

enot [183]

Answer:

0.0238 centimetre

Explanation:

multiply the length value by 100

3 0

3 years ago

The boiling point for liquid nitrogen at atmospheric pressure is 77k. Is the temperature of an open container of liquid nitrogen

algol13

Answer:
It would be lower than because, if the boiling point of that element is 77 Kelvin degrees then if it isn’t at boiling point it would automatically be cooler than that. Even if it’s at its original state. The normal temperature of Liquid Nitrogen is really cold -320.8 degrees.

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8 0

3 years ago

You hear the engine roaring on a race car at the starting line. Predict the changes in the sound as the race starts and the car

gogolik [260]

B. The sound of the engine will get louder and the pitch higher.

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3 years ago

Read 2 more answers

If a 8.1g ring is heated using 10.0 ), its temperature rises 21.7°C. Calculate the specific

lakkis [162]

the water specific heat will remain at 4.184.

7 0

3 years ago

A uniformly charged sphere has a total charge of 300uc and a radius of 8cm. Find the electric field density at A point 16cm from

s2008m [1.1K]

E = kQ 

(r + h)²

where,

k = 9 × 10^9Nm²C^-2

Q = total charge, 300uC = 300 × 10^ -6C

r = 8 × 10^ -2m

h = 16 × 10^ -2m

then,

E = 9e9 * 300e^-6 

(8e^-2 + 16e^-2)²

E = 4687500N/C

6 0

2 years ago