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Ksenya-84 [330]
3 years ago
8

Not everything in science is clear-cut, with obvious problems, experiments, theories, and solutions. Sometimes scientists gather

data
and evidence for which there is no apparent explanation
This was the case when early European astronomers recorded data of the planets' movements through the sky. While the stars.
Moon, and Sun all revolved around the Earth in simplo, seemingly circular patters, the planets moved forward and backward in wild
loops, and no one know exactly why this happened.
This was until Johannes Kepler guessed that maybe the planets move around the Sun, not in circular orbits, but in ellipses. This was
an idea that no one else had thought of, and when it was compared to recorded data, it proved to be correct
What does this example illustrate about the process of science?

A. Science sometimes requires creativity

B. Creative ideas are not useful in science

C. Mathematical theories always lead to scientific theories

D. Guessing should have no place in modern science
Physics
1 answer:
sergij07 [2.7K]3 years ago
4 0
A. science sometimes requires creativity
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State 7 branches of physics
erma4kov [3.2K]

Answer:

mechanics

optics

sound

astrophysics

nuclear physics

heat and temperature

electromagnetism

are branches of physics

7 0
3 years ago
Read 2 more answers
Consider Compton Scattering with visible light.A photon with wavelength 500nm scatters backward(theta=180degree) from a free ele
JulijaS [17]

Answer: 4.86(10)^{-12}m

Explanation:

The Compton Shift \Delta \lambda in wavelength when photons are scattered is given by the following equation:

\Delta \lambda=\lambda' - \lambda_{o}=\lambda_{c}(1-cos\theta) (1)  

Where:  

\lambda'=500 nm=500(10)^{-9} m is the wavelength of the scattered photon

\lambda_{o}  is the wavelength of the incident photon

\lambda_{c}=2.43(10)^{-12} m is a constant whose value is given by \frac{h}{m_{e}.c}, being h=4.136(10)^{-15}eV.s the Planck constant, m_{e} the mass of the electron and c=3(10)^{8}m/s the speed of light in vacuum.  

\theta=180\° the angle between incident phhoton and the scatered photon.  

\Delta \lambda=2.43(10)^{-12} m (1-cos(180\°)) (2)

\Delta \lambda=4.86(10)^{-12}m (3)  This is the shift in wavelength

5 0
3 years ago
Mass of mercury = 57 g Volume of mercury = 4.2 mL
kari74 [83]
24 beautiful women and women who have a good relationship and you can get a good laugh and
7 0
3 years ago
67 points plus brainlest if done correctly.I will report you if you answer 3 or less of the questions, also must post all the an
Alchen [17]

16 is both genes and environmental factors

17 is to trace the inheritance of traits in humans

18 is A, C, F, J, N, and O

19 is all 23 pairs of chromosomes

20 is cystic fibrosis

hopefully  this helps

6 0
4 years ago
A disk-shaped grindstone of mass 3.0 kg and radius 8.0 cm is spinning at 600 rev/min. After the power is shut off, a man continu
kolbaska11 [484]

Answer:

τ=0.060 N.m

Explanation:

By kinematics:

\omega f = \omega o-\alpha*t

Solving for α:

\alpha=\frac{\omega o-\omega f}{t}

where ωo = 600*2*π/60;   ωf = 0;    t=10s

\alpha=6.283rad/s^2

The sum of torque is:

\tau=I*\alpha

\tau=M*R^2/2*\alpha

\tau=0.060 N.m

8 0
4 years ago
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