Answer:
x_{cm} = 4.644 10⁶ m
Explanation:
The center of mass is given by the equation
= 1 / ∑
Where M_{total} is the total masses of the system, is the distance between the particles and is the masses of each body
Let's apply this equation to our problem
M = Me + m
M = 5.98 10²⁴ + 7.36 10²²
M = 605.36 10²² kg
Let's locate a reference system located in the center of the Earth
Let's calculate
x_{cm} = 1 / 605.36 10²² [Me 0 + 7.36 10²² 3.82 10⁸]
x_{cm} = 4.644 10⁶ m
-- IF the meter stick is oriented perpendicular to the direction from
it to you, then it appears 1 meter long to you, but very very skinny.
The Lorentz contraction only applies in the direction of motion.
-- If the length of the meter stick is pointing toward you, then . . .
L = L₀ √ (1 - v²/c²)
= √ (1 - 0.36)
= √ (0.64) = 0.8 meter .
Answer:
1.2 kg
Explanation:
Let UP ramp be the positive direction
F = ma
T - Wt || - Ff = m(0)
mg - Μgsinθ - μΜgcosθ = 0
m(9.8) - 13sin35 - 0.36(13)cos35 = 0
m = 13(sin35 + 0.36cos35) / 9.8
m = 1.15205... ≈ 1.2 kg
I am pretty sure that the molecule that has an unbalanced arrangement of charge is placed in the second option from the scale represented above - Nitrogen gas (a diatomic molecule, N2). This one looks the only proper. I hope you will agree with me. Regards!
Answer:
This question is vague because it doesn't specify whether 20° is the angle of incidence or the angle the ray makes with the surface
But If we consider 20° as the angle of Incidence...
The Angle of Reflection = 20° also
Because
From The Law of Reflection
Angle of Incidence = Angle of Reflection
Explanation: