This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Starting from rest, an electron accelerates through a potential difference of 67 V. What is its de ... (Read 64 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
on: Jul 28, 2018
Starting from rest, an electron accelerates through a potential difference of 67 V. What is its de Broglie wavelength? (h = 6.63  10-34 Js, me = 9.11  10-31 kg, and 1 eV = 1.60  10-19 J)
 a. 1.1  10-10 m
  c. 1.9  10-10 m
  b. 1.5  10-10 m
  d. 2.3  10-10 m

Question 2

The de Broglie wavelength of a 0.060-kg golf ball is 3.56  10-34 m. What is its speed? (h = 6.63  10-34 Js)
 a. 31 m/s
  c. 26 m/s
  b. 15 m/s
  d. 48 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

verrinzo

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

A


dmcintosh

  • Hero Member
  • *****
  • Posts: 517
Reply #2 on: Jul 28, 2018
Thanks


verrinzo

  • Sr. Member
  • ****
  • Posts: 346
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

As sessile organisms, plants have evolved many mechanisms to mitigate the potential damage of abioti As sessile organisms, plants have evolved many mechanisms to mitigate the potential damage of abioti
Effect of stimulus strength on size of graded potential. Effect of stimulus strength on size of graded potential.
Potential Consequences of Estrogen Loss Related to Menopause Potential Consequences of Estrogen Loss Related to Menopause
A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ... A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ...
A soccer ball is released from rest at the top of a grassy incline. After 8.6 seconds, the ball ... A soccer ball is released from rest at the top of a grassy incline. After 8.6 seconds, the ball ...
Video: Stomach peristalsis - Movement of Food Through the Small Intestine

For a complete list of videos, visit our video library