Electric fields up to 2.00×10^ 5 N/C have been measured inside of clouds during

Question

Electric fields up to 2.00×10^ 5 N/C have been measured inside of clouds during electrical storms. Neglect the drag force due to the air in the cloud and any collisions with air molecules.

1.What acceleration does the maximum electric field produce for protons in the cloud? Express your answer in SI units. (Express your answer to three significant figures.)

2. What acceleration does the maximum electric field produce for protons in the cloud? Express your answer as a fraction of g. (Express your answer to three significant figures.)

Cumulative Problem 11 Electric fields up to 2.00x10 N/C have been measured inside of clouds during electrical storms. Neglect the drag force due to the air in the cloud and any collisions with air molecules. 1) What acceleration does the maximum electric field produce for protons in the cloud? Express your answer in SI units. (Express your answer to three significant figures.) 10 13 m Submit 2) What acceleration does the maximum electric field produce for protons in the cloud? Express your answer as a fraction of g. (Express your answer to three significant figures.) x1012 g Submit 3) If the electric field remains constant, how far will the proton have to travel to reach 6% of the speed of light (3.00X10 m/s) if it started with negligible speed? (Express your answer to three significant figures.) m Submit

Explanation / Answer

(1) Force = electric field*charge
= 2*105*1.6*10-19 = 3.2*10-14 N
We know that the force = mass*acceleration
acceleration = force/mass
  a = 3.2*10-14 / (1.67*10-27) = 1.92*1013 m/s2
(b) in term of g
= 0.1957*1013 g
(c) intial speed = 0
final speed = 0.06*3*108 m/s
V2 = u2 + 2aS
S = 8.4375 m

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