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

Author Question: An electron in a cathode ray tube is accelerated through a potential difference of 10 kV. What ... (Read 24 times)

panfilo

  • Hero Member
  • *****
  • Posts: 572
on: Jul 28, 2018
An electron in a cathode ray tube is accelerated through a potential difference of 10 kV. What kinetic energy does the electron gain in the process? (e = 1.6  10-19 C)
 a. 8.0  10-16 J
  c. 8.0  1022 J
  b. 1.6  10-15 J
  d. 1.6  10-16 J

Question 2

During a snowball fight, two balls with masses of 0.4 and 0.6 kg, respectively, are thrown in such a manner that they meet head-on and combine to form a single mass. The magnitude of initial velocity for each is 20 m/s. What is the speed of the 1.0-kg mass immediately after collision?
 a. zero
  c. 4 m/s
  b. 3 m/s
  d. 5 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dantucker

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

B

Answer to Question 2

C


panfilo

  • Member
  • Posts: 572
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Electron Microscope Images of a Diatom Electron Microscope Images of a Diatom
Insects Under the Electron Microscope Insects Under the Electron Microscope
Inspect the site for potential veins to use and palpate to further locate a vein and test the firmne Inspect the site for potential veins to use and palpate to further locate a vein and test the firmne
Membrane potential of muscle cell Membrane potential of muscle cell
Difference between Functional and Cross-Functional team Difference between Functional and Cross-Functional team
Gravitational Potential Energy Gravitational Potential Energy
Video: Nucleic acid digestion - brush border enzymes, end products & transport mechanism

For a complete list of videos, visit our video library