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

Author Question: A car wash nozzle directs a steady stream of water at 1.5 kg/s, with a speed of 20 m/s, against a ... (Read 34 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
on: Jul 28, 2018
A car wash nozzle directs a steady stream of water at 1.5 kg/s, with a speed of 20 m/s, against a car window. What force does the water exert on the glass? Assume the water does not splash back.
 a. 30 N
  c. 300 N
  b. 45 N
  d. 440 N

Question 2

Electrons in a particle beam each have a kinetic energy of 3.2  10-17 J. What is the magnitude of the electric field that will stop these electrons in a distance of 0.05 m? (e = 1.6  10-19 C)
 a. 2000 N/C
  c. 200 N/C
  b. 4000 N/C
  d. 1000 N/C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ryansturges

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

B


Shelles

  • Hero Member
  • *****
  • Posts: 582
Reply #2 on: Jul 28, 2018
Thank you!


ryansturges

  • Sr. Member
  • ****
  • Posts: 338
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere
Jane Goodall first observed Gombe chimpanzees chewing leaves, then dipping the chewed-up “wadge” int Jane Goodall first observed Gombe chimpanzees chewing leaves, then dipping the chewed-up “wadge” int
Water-vapor Images Water-vapor Images
Wash all surfaces in a massage room daily, including the massage table. Wash all surfaces in a massage room daily, including the massage table.
Oligotrophic and eutrophic water bodies Oligotrophic and eutrophic water bodies
Water as a Solvent Water as a Solvent
Video: Haustral churning, Gastrocolic reflex and mass peristalsis & Defecation

For a complete list of videos, visit our video library