Answer:
Magnetic field, B = 1.9232 T
Explanation:
Given data:
Value of the charge, Q = 0.026 C
Speed, V = 443.592 m/s
Force experienced, F = 22.182
Now,
the Force (F) experienced by a charge in a magnetic field is given as:
F = QVBsinθ
where,
B is the magnetic field
Angle between the magnetic field and the velocity.
since, the velocity is in horizontal direction and the magnetic field is downwards. Therefore, the angle θ = 90°
thus, we have
22.182 = 0.026 × 443.592 × B × sin90°
or
B = 1.9232 T
A.từ A về K
T nghĩ vậy chứ ko bt đúng ko :))
Answer:
2m/s²
Explanation:
- V=Vstart+at
- rewrite that to find a so a=(V-Vstart)/t
part A of graph
part B of graph
the average between the two is both answers added divided by the number of answers
- (4m/s²–0m/s²)/2
- 4m/s²/2
- 2m/s²
Given what we know, we can confirm that if the wavelength of light were increased, its frequency and therefore energy would decrease.
<h3>Why do frequency and energy decrease?</h3>
The frequency of light waves is measured through the wavelengths. Shorter waves result in higher frequencies, and since these waves are increasing in length, the frequency will decrease. Since the frequency decreases, the waves lose kinetic energy, and thus the energy decreases.
Therefore, we can confirm that if the wavelength of light were increased, its frequency and therefore energy would decrease.
To learn more about wavelengths visit:
brainly.com/question/7143261?referrer=searchResults
<u>Given:</u>
Temperature T = 0.20 μK
<u>To determine:</u>
The de Broglie wavelength of Rubidium atoms
<u>Explanation:</u>
The de broglie wavelength (λ) is related to the temperature (T) as:
λ = h/√2πmkT -----(1)
where h = Planck's constant = 6.626*10⁻³⁴ Js
m = mass of Rubidium = 85.47 amu * 1.66*10⁻²⁷ kg/ 1 amu = 1.419*10⁻²⁵ kg
k = Boltzmann constant = 1.38*10⁻²³ J.K⁻¹
T = temperature = 0.2 μK = 0.2 *10⁻⁶ K
Substituting these values in equation (1) we get:
λ = 6.626*10⁻³⁴ Js/√2π * 1.419*10⁻²⁵ kg * 1.38*10⁻²³ J.K⁻¹ * 0.2 *10⁻⁶ K
= 4.224*10⁻⁷ m
Ans: The de Broglie wavelength is 4.224*10⁻⁷ m