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

Author Question: A proton with initial kinetic energy E is moving in circular motion in a uniform magnetic field. ... (Read 7 times)

cmoore54

  • Hero Member
  • *****
  • Posts: 568
on: Jul 28, 2018
A proton with initial kinetic energy E is moving in circular motion in a uniform magnetic field. When it has completed one fourth of a revolution, what is its kinetic energy?
 a. 1.4 E
  c. E
  b. 0.71 E
  d. The value is not given.

Question 2

Water pressurized to 4  105 Pa is flowing at 5.0 m/s in a pipe which contracts to 1/3 of its former area. What are the pressure and speed of the water after the contraction? (density of water = 1  103 kg/m3)
 a. 2  105 Pa, 15 m/s
  c. 3  105 Pa, 15 m/s
  b. 3  105 Pa, 10 m/s
  d. 4  105 Pa, 1.5 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

huda

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


cmoore54

  • Member
  • Posts: 568
Reply 2 on: Jul 28, 2018
:D TYSM

daiying98

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Color-enhanced magnetic resonance image (MRI) showing a sagittal view of the head. Color-enhanced magnetic resonance image (MRI) showing a sagittal view of the head.
Transcranial Magnetic Stimulation Transcranial Magnetic Stimulation
The steel lamination used in an E coil helps increase the magnetic field strength, which helps the ... The steel lamination used in an E coil helps increase the magnetic field strength, which helps the ...
U.S. Energy Consumption U.S. Energy Consumption
A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower ... A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower ...
how much energy is needed to heat 77.0g H2O(s) from -10.0 C to 0.0 C? how much energy is needed to heat 77.0g H2O(s) from -10.0 C to 0.0 C?
Video: Chronology of leptin research (A history of leptin research)

For a complete list of videos, visit our video library