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

Author Question: A helicopter is flying horizontally with a speed of 444 m/s over a hill that slopes upward with a 2 ... (Read 222 times)

notis

  • Hero Member
  • *****
  • Posts: 596
on: Jul 29, 2018
A helicopter is flying horizontally with a speed of 444 m/s over a hill that slopes upward with a 2 grade (that is, the rise is 2 of the run).
 
  What is the component of the helicopter's velocity perpendicular to the sloping surface of the hill? A) 8.9 m/s
  B) 220 m/s
  C) 435 m/s
  D) 444 m/s

Question 2

What should be the angle between the reflecting surfaces of two plane mirrors in order for every incident beam to be parallel to its reflected beam?
 
  A) 0
  B) 30
  C) 45
  D) 60
  E) 90


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bookworm410

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

E


notis

  • Member
  • Posts: 596
Reply 2 on: Jul 29, 2018
Excellent

zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Evidence that Light Travels at a Finite Speed Evidence that Light Travels at a Finite Speed
J. M. W. Turner, Rain, Steam, and Speed—The Great Western Railway. J. M. W. Turner, Rain, Steam, and Speed—The Great Western Railway.
The main avenue to the upward social mobility reviewed in the text has been higher education. The main avenue to the upward social mobility reviewed in the text has been higher education.
An IAC controls idle speed by controlling the amount of air that passes around the throttle plate. ... An IAC controls idle speed by controlling the amount of air that passes around the throttle plate. ...
A 1000-kg car is slowly picking up speed as it goes around a horizontal unbanked curve whose ... A 1000-kg car is slowly picking up speed as it goes around a horizontal unbanked curve whose ...
Video: Introduction to Heart Attacks

For a complete list of videos, visit our video library