A small particle has charge -7.00 μC and mass 1.50×10^(−4) kg. It moves from point A, where the electric potential is VA = 300 V, to point B, where the electric potential VB = 600 V is greater than the potential at point A. The electric force is the only force acting on the particle. The particle has a speed of 5.80 m/s at point A.
(a) What is its speed at point B?
(b) Is it moving faster or slower at B than at A?

whitney would be experiencing fear or unintentional terror

answer: electrons

answer: the exterior temperature of commercial jet planes as they leave the stratosphere and return to the ground increases steadily.

explanation:

the lower most layer of atmosphere is troposphere which extends from 0 to 12 km above the surface of the earth. the temperature initially decreases as distance is increased from the earth's surface. commercial jets fly in lower part of the stratosphere. the stratosphere extends upto 50 km. the temperature in stratosphere starts rising again due to presence of ozone which traps the uv rays.

thus, when the planes leave the stratosphere and return to the ground, the exterior temperature increases steadily.

the answer is a)

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