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

Author Question: During takeoff a jet aircraft goes from 0 m/s to 60 m/s in 5 seconds. (a) What is the jet's ... (Read 61 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
on: Jul 28, 2018
During takeoff a jet aircraft goes from 0 m/s to 60 m/s in 5 seconds. (a) What is the jet's acceleration? (b) What is the jet's speed after 22 seconds?

Question 2

A compass needle is a magnet with a north and south pole. If a tiny compass were placed in the magnetic field shown in the figure, how would the compass needle aligned in the magnetic field?
 a. The needle would line up with a magnetic field line with the compass needle pointing in the same direction as the arrows in the diagram.
  b. The needle would line up with a magnetic field line with the compass needle pointing in the opposite direction to the arrows in the diagram.
  c. The compass needle always aligns perpendicular to the magnetic field lines.
  d. The north pole of the compass will point directly at the north pole of the magnet, regardless of the field lines.
  e. The north pole of the compass will point directly away from the north pole of the magnet, regardless of the field lines.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

deja

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 28, 2018
Answer to Question 1

12 m/s2, 264 m/s

Answer to Question 2

a


krzymel

  • Member
  • Posts: 548
Reply 2 on: Jul 28, 2018
:D TYSM

6ana001

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Comet Tempel 1 67 seconds after colliding with the Deep Impact probe. Comet Tempel 1 67 seconds after colliding with the Deep Impact probe.
Converting Degrees to Degrees, Minutes, Seconds Converting Degrees to Degrees, Minutes, Seconds
Cradle the head briefly in both hands to end this section. Hold for a few seconds until you can feel ... Cradle the head briefly in both hands to end this section. Hold for a few seconds until you can feel ...
Passive touch on shoulders to end. Hold for 5 to 10 seconds. Passive touch on shoulders to end. Hold for 5 to 10 seconds.
Convert 0.4 radians to Degrees, Minutes, Seconds Convert 0.4 radians to Degrees, Minutes, Seconds
In a simulation, the path of a new aircraft after it has achieved weightlessness In a simulation, the path of a new aircraft after it has achieved weightlessness
Video: Sister chromatids of a metaphase chromosome animation

For a complete list of videos, visit our video library