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GrogVix [38]
3 years ago
8

5. Which of these affect the brightness of a bulb? Choose all that apply.* 6 po

Physics
1 answer:
schepotkina [342]3 years ago
7 0

Answer:

The voltage of the battery

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PLEASE help me quickly
Anna007 [38]

Explanation:

its either a or d however i say the best choice is d

6 0
2 years ago
The following symbols show the wind speed and direction for West Palm Beach, FL, from 8:00 a.m. to 12:00 p.m. Which choice corre
Vanyuwa [196]
The wind speed increased but in the same direction.
It is A/1 because the wind speed did increase and it is still going the same way clockwise because it also did not move that much.
3 0
2 years ago
Read 2 more answers
Please help.......
IceJOKER [234]

Answer:

(L: Length, T: Time)

p: Dimension: L; unit: m

q: Dimension: L/T or (L)*(T)^-1; unit: m/s

r: Dimension: L/T^2 or (L)*(T)^-2; unit: m/s^2

Explanation:

since y is distance (Length), make all terms L distance.

p is same as y dimension ==> dimension: L; unit: m (meter)

qt dimension is L ==>  q dimension :L/T; unit: m/s

rt^2 dimension is L ==> r dimension : L/T^2; unit: m/s^2

3 0
2 years ago
A particle has a de Broglie wavelength of 2.1 × 10-10m. Then its kinetic energy increases by a factor of 3. What is the particle
svlad2 [7]

Answer:

\lambda' =1.21\times 10^{-10}\ m

Explanation:

given,

de broglie wavelength of the particle = 2.1 × 10⁻¹⁰m

Kinetic energy increase factor = 3

de broglie  wavelength of new particle = ?

we know,

P = \dfrac{h}{\lambda}

Kinetic energy

K =\dfrac{p^2}{2m}

K =\dfrac{h^2}{2m\lambda^2}...........(1)

Kinetic energy of other particle

3K =\dfrac{h^2}{2m\lambda'^2}............(2)

dividing equation (1)/(2)

\dfrac{1}{3} =\dfrac{\lambda'^2}{\lambda^2}

\lambda' = \dfrac{\lambda'}{\sqrt{3}}

\lambda' = \dfrac{2.1\times 10^{-10}}{\sqrt{3}}

\lambda' =1.21\times 10^{-10}\ m

6 0
3 years ago
The principal reason voltage is induced in the loops of a generator coil is that the
Rama09 [41]

The principal reason voltage is induced in the loops of a generator coil is that the loops are rotating, changing the amount of magnetic field within the loops. The answer is letter A. For example, in a circuit, the electrons in the bulb will not move without the potential difference or voltage. When there is voltage, electric current occurs because there is a driving force for the electrons in the wire to move.

6 0
2 years ago
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