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 holds calcium chloride together? A. hydrogen bonding B. metallic bonding C. ionic bonding D. dipole forces E. van der Waals forces (London dispersion force
what are the steps to evaporation but without heat just evaporation steps to follow
3x-150=1778. Help me please I need help bad
7kg of soybean oil which costs $4/kg was combined with 14kg of canola which costs $1/kg. Find the cost per kg of mixture.
You work at a fruit market. Bananas cost 50¢ a pound. A customer hands you a bunch of bananas that weighs 3 pounds. How much should you charge for the bunch o
7kg of soybean oil which costs $4/kg was combined with 14kg of canola which costs $1/kg. Find the cost per kg of mixture.
The density of ice is 0.92 g/cm3. An ice sculptor orders a one cubic meter block of ice. What is the mass of the block? Hint: 1 m3 = 1,000,000 cm3. Give your an
What does an acid+base make
How was Martin Luther King a significant figure in the Civil Rights Movement?
I would like to know if 1 km is greater or less then 999 m