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r-ruslan [8.4K]
4 years ago
9

Describe What It Was Like Before The Big Bang. Vision It In Your Head.

Physics
1 answer:
Inessa05 [86]4 years ago
8 0
That's a loaded question. Well to me, through what I have heard from others and theories, I imagine there was other universes before us. It wasn't just nothingness, there was another universe, perhaps in another dimension that either ended or is still around today. Alternate dimensions are a theory, so it was probably just a matter of when ours would be born. We could've been the result of reaching the singularity in a black hole or we could've been the continuation of a grand generation of universes. Either way, I think before us there was other things that filled the void of darkness that we imagine to be before us.
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A worker pushes horizontally on a 36.0 kg crate with a force of magnitude 112 N. The coefficient of static friction between the
Yuliya22 [10]

Answer:

value of fs,max under the circumstances is

f = 42.56 N

Explanation:

The formula is µ = f / N, where µ is the coefficient of friction, f is the amount of force that resists motion, and N is the normal force. Normal force is the force at which one surface is being pushed into another.

So f = µN

f = 0.380 * 112

f = 42.56 N

5 0
3 years ago
Read 2 more answers
A negative charge of - 2.0 C and a positive charge of 3.0 C are separated by 72 m. What is the force
lukranit [14]

Answer:

F= 10.4 x10^6 N

Explanation:

A/C to Coulomb's law

F = k q1 q2 / r^ 2

F = 9x 10^9 x 2 x 3 / 72^2

F= 10.4 x 10 ^6 N

5 0
3 years ago
The Tesla Roadster electric car is rated at 16.8kW. How much energy does it use during a one hour drive? Answer in MJ
ASHA 777 [7]

(16.8 kW) means (16,800 joules/second)

Energy in 1 hour = (1 hour) x (16,800 J/s) x (3,600 s/hour)

Energy = (16,800 x 3,600) J

Energy =  60,480,000 Joules

Energy = 60.48 MJ

6 0
3 years ago
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A player bounces a basketball on the floor, compressing it to 80.0 % of its original volume. The air (assume it is essentially N
son4ous [18]

Answer: 292.95 J

Explanation:

change in internal energy= Heat transfer - work done

ΔU =Q -PΔV

Here, Q = 0 as there is no heat transfer.

P =2.00 atm = 2.00 × 101235 Pa = 202470 Pa

ΔV = final volume - initial volume = 0.8 V -V = -0.2 V

where V is the initial volume.

Volume of a spherical ball, V = \frac{4}{3}\pi r^3

r = d/2 = 23.9 cm / 2 = 0.12 m

V = \frac{4}{3}\times 3.14 \times (0.12m)^3= 7.23\times10^{-3}m^3

\DeltaU = -P\DeltaV = - 202470 Pa \times -0.2 \times 7.23\times10^{-3}m^3=292.95 J

Hence, internal energy would change by 292.95 J.

3 0
3 years ago
Read 2 more answers
Someone please help me!
kirill [66]

I think it’s the first one

4 0
3 years ago
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