« previous next »

Author Question: A diver can change her rate of rotation in the air by tucking her head in and bending her knees. ... (Read 22 times)

Capo

  • Hero Member
  • *****
  • Posts: 545
on: Jul 27, 2018
A diver can change her rate of rotation in the air by tucking her head in and bending her knees. Let's assume that when she is stretched out straight she is rotating at 1 revolution per second.
 
  Now she goes into the tuck and bend, effectively shortening the length of her body by half. What will her rate of rotation be now?

Question 2

The wavelength of a certain portion of microwaves is 40 mm. What is its frequency?
 
  A) 40 GHz
  B) 4.0 GHz
  C) 0.75 GHz
  D) 75 GHz
  E) 7.5 GHz


marict

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jul 27, 2018
Answer to Question 1

4 Hz

Answer to Question 2

E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

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

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Dorsiflexion Dorsiflexion–Bending a body part backward. Dorsiflexion Dorsiflexion–Bending a body part backward.
As a result of this change, deoxyhemoglobin S As a result of this change, deoxyhemoglobin S
Sperry’s classic study of eye rotation and regeneration. Sperry’s classic study of eye rotation and regeneration.
Apply light tapotement on the head. Tapping lightly with the fingertips works well for this purpose. Apply light tapotement on the head. Tapping lightly with the fingertips works well for this purpose.
Saving Rate by Decile of Income per Capita Saving Rate by Decile of Income per Capita
External rotation of the shoulders External rotation of the shoulders
Video: Cardiac Cycle (Part 1 of 4)

For a complete list of videos, visit our video library