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

Author Question: If an electron is accelerated from rest through a potential difference of 300 V, find its ... (Read 91 times)

Garrulous

  • Hero Member
  • *****
  • Posts: 686
If an electron is accelerated from rest through a potential difference of 300 V, find its approximate speed at the end of this process. (e = 1.6  10-19 C; me = 9.1  10-31 kg)
 a. 2.5  107 m/s
  c. 1.0  107 m/s
  b. 2.1  107 m/s
  d. 1.4  107 m/s

Question 2

A 90-kg halfback running north with a speed of 10 m/s is tackled by a 120-kg opponent running south at 5.0 m/s. The collision is perfectly inelastic. Compute the velocity of the two players just after the tackle.
 a. 1.4 m/s south
  c. 2.8 m/s north
  b. 2.8 m/s south
  d. 1.4 m/s north



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ptupou85

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

C

Answer to Question 2

D




Garrulous

  • Member
  • Posts: 686
Reply 2 on: Jul 28, 2018
Gracias!


bimper21

  • Member
  • Posts: 309
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

For a complete list of videos, visit our video library