kamikathegreat3836 kamikathegreat3836
  • 02-03-2020
  • Chemistry
contestada

What is the escape speed for an electron initially at rest on the surface of a sphere with a radius of 1.0 cm and a uniformly distributed charge of 1.91 ×10-15 C

Respuesta :

mshahzaib247
mshahzaib247 mshahzaib247
  • 04-03-2020

Answer:

v = 22492 ms^-1

Explanation:

[tex]1/2 m v^2 = kqQ / r[/tex]

[tex]v = \sqrt{2kqQ / rm}[/tex]

[tex]v = \sqrt{2*(9*10^9)*(1.6*10^-19)*(1.6 * 10^-15) / (0.01)*(9.109*10^-31)}[/tex]

v = 22492 ms^-1

v = 22.492 k ms^-1

Answer Link

Otras preguntas

What would be the most likely effect of one company buying a competitor?
Which word has the long e sound? a. client b. inferior c. beautiful d. poetic
i need help with this question
What statement best describes a republic?
In which sentence does the prepositional phrase act as an adverb? A. Last evening, Anne suffered from a headache. B. The door to the attic was left open. C. Mr
Help pl0x, Algebra 1
A student government organization is selling Christmas trees as a fundraiser. On Friday, they sold 5 noble fir trees and 3 douglas fir trees for a total of $420
Which additional word in the poem should be capitalized? Coyote In the night, it prowls alone hidden from view, Stalking prey. Before dawn, Coyote howls.
PLEASE HELP I GIVE THANKS
how would u form a superlative for the adverb widely