This topic contains a solution. Click here to go to the answer

Author Question: The wavelength of a 45-kg teenager moving at 5 m/s on a skateboard is about (Read 306 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575

Question 1

The threshold wavelength for photoelectric emission of a particular substance is 500 nm. What is the work function (in eV)?

4.2

4.0 × 1019

4.0 × 1010

2.5 × 1019

2.5


Question 2

The wavelength of a 45-kg teenager moving at 5 m/s on a skateboard is about

5 × 1037 m.

3 × 1036 m.

7 × 1034 m.

0.1 m.

5 m.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by littleanan on Aug 10, 2020

Cheesycrackers

  • Sr. Member
  • ****
  • Posts: 333
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly




littleanan

  • Member
  • Posts: 575
Reply 2 on: Aug 10, 2020
YES! Correct, THANKS for helping me on my review


scikid

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Gracias!

 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

For a complete list of videos, visit our video library