A force that results from charged particles is called?
2 answers:
Answer:
Electrostatic force
Explanation:
The force that acts between charged particles is called electrostatic force. Its magnitude is given by:
where
k is the Coulomb's constant
q1 and q2 are the magnitudes of the two charges
r is the distance between the two charges
Concerning the direction of the force:
- The force is attractive when the two charges have opposite signs, and
- The force is repulsive when the two charges have same sign
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Answer:
The momentum of the photon is 1.707 x 10⁻²² kg.m/s
Explanation:
Given;
kinetic of electron, K.E = 100 keV = 100,000 eV = 100,000 x 1.6 x 10⁻¹⁹ J = 1.6 x 10⁻¹⁴ J
Kinetic energy is given as;
K.E = ¹/₂mv²
where;
v is speed of the electron
Therefore, the momentum of the photon is 1.707 x 10⁻²² kg.m/s