« previous next »

Author Question: Which of the following is a unit of energy: a. watt b. ftlb/sec c. newton/sec. d. horsepower e. ... (Read 23 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
on: Jul 28, 2018
Which of the following is a unit of energy:
 a. watt b. ftlb/sec c. newton/sec. d. horsepower e. joule

Question 2

The initial speed of a cannon ball is 0.20 km/s. If the ball is to strike a target that is at a horizontal distance of 3.0 km from the cannon, what is the minimum time of flight for the ball?
 a. 16 s
  b. 21 s
  c. 24 s
  d. 14 s
  e. 19 s


strudel15

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 28, 2018
Answer to Question 1

e

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

krzymel

  • Hero Member
  • *****
  • Posts: 548
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


strudel15

  • Sr. Member
  • ****
  • Posts: 324
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Diagrams showing the multiple energy shells and orbitals of a nitrogen atom Diagrams showing the multiple energy shells and orbitals of a nitrogen atom
Schematic Diagram of the fluidized bed for the experiment (CHE415 Unit Operations) Schematic Diagram of the fluidized bed for the experiment (CHE415 Unit Operations)
Schematic Diagram of Agitation Apparatus and other equipment (CHE415 Unit Operations) Schematic Diagram of Agitation Apparatus and other equipment (CHE415 Unit Operations)
Geothermal Energy schematic Geothermal Energy schematic
Generating Energy from Glucose When your body needs to break down glucose Generating Energy from Glucose When your body needs to break down glucose
Physics: Power, Energy and Time Physics: Power, Energy and Time
Video: Regulation of GFR: three methods, autoregulation & autoregulation via myogenic mechanism

For a complete list of videos, visit our video library