That there are not significate amounts of dark matter wihtin our solar system.
- The dark matter is a component of the universe whose presence is discerned from its gravitational attraction rather than its luminosity.
- The force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface is known as gravitational attraction.
- The luminous normal matter, such as protons, neutrons, electrons, and atoms in the universe, there are about 4 grams of nonluminous normal matter, mainly intergalactic hydrogen and helium.
To know more about intergalactic
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Answer:
<h2>Solving elastic collisions problem the hard way</h2><h3 />
Explanation:
perfect drawing
Answer:
T = mg - (m²g/(I/R² + m))
Explanation:
Let T be the tension in the cable between the drum and the bucket
Now, by applying newton's second law of gravity on the downward movement of the bucket, we will obtain;
mg - T = ma - - - - (eq1)
Now, on the drum , a torque of TR will be acting which will create an angular acceleration of "α" in it.
Where R is the radius.
Let "I" denote the moment of inertia of the drum. Thus, we have;
TR = Iα
Now, the angular acceleration is expressed in the form;
α = a/R
Where a is the linear downward acceleration.
Thus;
TR = Ia/ R
T = Ia/ R²
Let's put Ia/ R² for T into equation 1 to give;
mg - Ia/R² = ma
Ia/R² + ma = mg
a( I/R² + m) = mg
a = mg/(I/R² +m)
Now putting mg/(I/R² +m) for a in eq 1 gives;
mg - T = m(mg/(I/R² +m))
T = mg - m(mg/(I/R² +m))
T = mg - m²g/(I/R² + m)
To solve this problem it is necessary to apply the concepts related to interference (destructive and constructive), as well as to the principle of overlap.
By definition we know that constructive interference is defined as
Where,
d = Distance between slits
m = Order interference (Representing the number of repetition of spectrum)
wavelength
Re-arrange the equation to find the angle with the minimum order (m=1) we have,
For the order of the missing interference we can calculate with the spacing of 0.05mm:
Therefore the smallest order interference maximum that is 'missing' from the interference/diffraction pattern on the screen is 5.
Answer: acceleration is time derivative of speed.
When v(t) = 60 + 0.50t, is a(t) = v' (t) = 0.50 (m/s²)