« previous next »

Author Question: Smaller worlds are more prone to atmospheric loss via impacts than large worlds because they A) ... (Read 139 times)

cabate

  • Hero Member
  • *****
  • Posts: 537
on: Jul 27, 2018
Smaller worlds are more prone to atmospheric loss via impacts than large worlds because they
 
  A) have no plate tectonics
  B) have weaker gravities
  C) are more likely to be hit
  D) have less internal heat

Question 2

A metallic surface is illuminated with light of wavelength 400. nm. If the work function for this metal is 2.4 eV, calculate the kinetic energy of the ejected electrons, in electron-volts.
 
  What will be an ideal response?


ririgirl15

  • Sr. Member
  • ****
  • Posts: 385
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

0.70 eV


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

(a) Large buttress roots in a tropical rain forest (a) Large buttress roots in a tropical rain forest
Rates of water loss by two turtles and a tortoise indicate an inverse relationship between the dryne Rates of water loss by two turtles and a tortoise indicate an inverse relationship between the dryne
Conjunctivitis, with the characteristic “pinkeye” appearance. A yellow crusty exudate is also common Conjunctivitis, with the characteristic “pinkeye” appearance. A yellow crusty exudate is also common
Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has
Examples of Impacts Associated with Different Amounts of Global Average Temperat Examples of Impacts Associated with Different Amounts of Global Average Temperat
The Globe Fishery packs shrimp that weigh more than 1.91 ounces each in packages marked large ... The Globe Fishery packs shrimp that weigh more than 1.91 ounces each in packages marked large ...
Video: Bone Healing Animation

For a complete list of videos, visit our video library