It was Niels Bohr who proposed it
It's not. It's equivalent to the transfer of that many elementary charges <u>every second</u> .
The elementary charge (charge on an electron) is
1.60 x 10⁻¹⁹ coulomb / electron.
The number of electrons in a Coulomb is the reciprocal of that number.
6.25 x 10⁻¹⁸ electrons / Coulomb.
There's the number. 1 Coulomb <em>per second</em> is called 1 Ampere.
Answer:
The distance from charge 5 μ C = 26.45 cm and the distance from - 4 μ C is 23.55 cm.
Explanation:
Given that
q₁ = 5 μ C
q₂ = - 4 μ C
The distance between charges = 50 cm
d= 50 cm
Lets take at distance x from the charge μ C ,the electrical field is zero.
That is why the distance from the charge - 4 μ C = 50 - x cm
We know that ,electric field is given as
Therefore the distance from charge 5 μ C = 26.45 cm and the distance from - 4 μ C is 23.55 cm.
Explanation:
<u>Using equations of motion</u> :
(A) we know that,
u = 0
a = 3.7 m/s^2
S = 63
(B)
v = u + at
21.6 = 0 + 3.7 * t
<u>t (time to reach 63 m) = 5.83 seconds</u>
Answer:
2.It has twice the KE
Explanation:
Given that
m ₁ = 2 m₂
Height = h
For mass m ₁ :
By using energy conservation
m ₁ g h = KE₁
KE₁ = m ₁ g h
For mass m ₂ :
By using energy conservation
m ₂g h = KE₂
KE₂= m ₂ g h
m ₁ = 2 m₂
KE₁ = m ₁ g h
KE₁ =2 m₂ g h
KE₁ = 2 KE₂
The kinetic energy for the massive marble is twice the other one marble.
Therefore the answer will be 2.