In “Ultraviolet light” and “X-ray” light wavelength regions are needed to carry out observations to study the “accretion disk” around “a white dwarf” in a “binary system”.
<u>Explanation</u>:
Occurrence of an accretion disk is due to presence of diffuse material around a white dwarf in orbital motion. White dwarf is constituted from electron-degenerate matter therefore also called as degenerate dwarf in binary system. Frictional forces and gravitational forces are responsible to compress and high “temperature” of the material, results with emission of “electromagnetic radiation”. “Accretion disks” of white dwarf radiate in the UV-rays and X-rays wavelength region of spectrum.
Chemical=B
Mechanical=C
Nuclear=A
Electromagnetic=D
Thermal=E
I think these are right but if not I’m sorry
Hope I helped :]
Answer:
377 nm
Explanation:
Number of lines per meter is, 
Grating element is, 
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Answer: 3000 Newton
Explanation:
Mass of large car = 1000 kg.
Acceleration of the car = 3 m/sec2
Force = ?
Recall that force is the product of mass of an object and the acceleration by which it moves.
Thus, Force = Mass x Acceleration
Force = 1000 kg x 3 m/sec2
= 3000 Newton
Thus, 3000 Newton of force would be required to accelerate the car
Answer:
a. The acceleration of the bowling ball is 9.5 m/s² toward the center
b. The tension in the rope is 140.24 N
Explanation:
given information:
ball weight, W = 71.2 N
the length of rope, R = 3.30 m
ball speed, v = 5.60 m/s
a. The acceleration of the bowling ball, α
α = 
where
α = the acceleration
v = the speed
R = radius
thus
α =
= 
= 9.5 m/s² toward the center
b. The tension in the rope?
according to the Newton's second law
ΣF = m a
where
F = force
m = mass
a = acceleration
so,
ΣF = m a
T - W = m a
T = m a + W
= (W a/g) + W
= (71.2 x 9.5/9.8) + 71.2
= 140.24 N
