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Author Question: The wavelength of a 45-kg teenager moving at 5 m/s on a skateboard is about (Read 276 times)

littleanan

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on: Aug 10, 2020

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 × 10−19

◦
4.0 × 10−10

◦
2.5 × 10−19

◦
2.5


Question 2

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

◦
5 × 10−37 m.

◦
3 × 10−36 m.

◦
7 × 10−34 m.

◦
0.1 m.

◦
5 m.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by littleanan on Aug 10, 2020

Cheesycrackers

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Reply #1 on: Aug 10, 2020
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.
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littleanan

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

ghepp

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Reply 3 on: Yesterday
:D TYSM

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