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

Factorize a² +4α=21.​
Which choices are in the solution set of the equation 4x = 30? 1) 7.5 2) 6 3) 8,5 4) 6.5
The following sentence may contain a grammar or usage error. Read the sentence and identify its error, if there is one, by choosing the appropriate answer. If t
PLEASE HELP, I RLLY NEED THIS TO SAVE MY GRADE. PLS EXPLAIN RLLY DETAILED. In this discussion, you will upload and discuss an example of the Fibonacci sequence
simplify this provlem
what is the multiple of 12 small than 84?
_________you can take sweets_________chocolates.​
2. State the relationship between Agriculture an 1 industries.​
Sale 70% OFF! Gwen wants to buy a laptop computer. The original price is $720. What is the sale price?
"How have women contributed to the field of space exploration?"