Please Help! When a metal is heated, the free electrons gain _____________.

Physics

2 answers:

lakkis [162]3 years ago

7 0

It’s B potential energy

skelet666 [1.2K]3 years ago

6 0

Answer:

When a metal is heated, the free electrons gain

c. kinetic energy

Explanation:

Kinetic energy is an energy possessed by an object due to its movement.

Metals contain free electrons which are called delocalised electrons, they move freely, when a metal is heated they vibrate and move more quickly - this electrons gain kinetic energy from the excess vibrating ions. They move around thereby transferring some of their energy to the nearby particles

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A negatively-charged particle is slowly moving as it enters a region that has a constant magnetic field. If the velocity of the

Anna71 [15]

Answer:

no deflection and net force is zero. Moving in same direction and with same speed

Explanation:

Charge = negative

the angle between the velocity vector and the magnetic field vector is 0°, so the force is given by

F = q v B Sin 0

F = 0

As the force is zero so the charge particle moves with the same velocity and in the same direction.

there is no deflection in the path of negatively charged particle.