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

Author Question: Consider a car with its wheels rolling (not sliding) on the road. How fast must the auto move for ... (Read 61 times)

anshika

  • Hero Member
  • *****
  • Posts: 510
on: Jul 27, 2018
Consider a car with its wheels rolling (not sliding) on the road. How fast must the auto move for some point on a wheel to reach the speed of sound? Explain.
 
  What will be an ideal response?

Question 2

Angular magnification of a magnifying glass is largest when the image is at
 
  A) the near point.
  B) the focal point.
  C) the pupil of the eye.
  D) infinity.
  E) the far point.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katkat_flores

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 27, 2018
Answer to Question 1

Half the speed of sound. The bottom of the wheel has zero linear speed, the middle has the car's speed, and the top of the wheel is moving at twice the axis speed.

Answer to Question 2

A


anshika

  • Hero Member
  • *****
  • Posts: 510
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


katkat_flores

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Fast-flowing waters of the Humber River, Newfoundland, are a challenge to Atlantic salmon migrating Fast-flowing waters of the Humber River, Newfoundland, are a challenge to Atlantic salmon migrating
Rolling stone in Mars Rolling stone in Mars
Move joints in hands. Apply scissoring to metacarpals and figure-8s to fingers. Move joints in hands. Apply scissoring to metacarpals and figure-8s to fingers.
Ayurvedic massage. Sliding circles at the seat of Vata, recipient in side-lying position. Ayurvedic massage. Sliding circles at the seat of Vata, recipient in side-lying position.
The sliding filament model of muscle contraction The sliding filament model of muscle contraction
DID YOU KNOW? DRIVING FAST CAUSES HAIR LOSS DID YOU KNOW? DRIVING FAST CAUSES HAIR LOSS
Video: Replication of DNA and Chromosomes/ How do cells replicate their DNA? (Animation) no Audio

For a complete list of videos, visit our video library