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

Author Question: As the angle of incidence is decreased for a ray incident on a reflecting surface, the angle between ... (Read 63 times)

student77

  • Hero Member
  • *****
  • Posts: 567
on: Jul 28, 2018
As the angle of incidence is decreased for a ray incident on a reflecting surface, the angle between the incident and reflected rays ultimately approaches what value?
 a. 90
  c. 45
  b. 180
  d. zero

Question 2

An inventor develops a stationary cycling device by which an individual, while pedaling, can convert all of the energy expended into heat for warming water. How much mechanical energy is required to increase the temperature of 300 g of water (enough for 1 cup of coffee) from 30C to 90C? (1 cal = 4.186 J, the specific heat of water is 4186 J/kg  C)
 a. 94,000 J
  c. 5400 J
  b. 75,000 J
  d. 14 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Silverbeard98

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


student77

  • Member
  • Posts: 567
Reply 2 on: Jul 28, 2018
:D TYSM

jomama

  • Member
  • Posts: 346
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Animals and plants of the intertidal zone adhering to their rocky surface. Animals and plants of the intertidal zone adhering to their rocky surface.
The Inner Surface of Human Lung The Inner Surface of Human Lung
Surface Offset on San Andreas Fault Surface Offset on San Andreas Fault
Surface Water Parsing Surface Water Parsing
Frenching a Rack: Removing fat from rack’s surface Frenching a Rack: Removing fat from rack’s surface
What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ... What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ...
Video: Origin of organelles Animation

For a complete list of videos, visit our video library