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 21 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
YES! Correct, THANKS for helping me on my review

Mochi

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

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

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

A soil surface crust that includes nitrogen-fixing, soil-enriching cyanobacteria. A soil surface crust that includes nitrogen-fixing, soil-enriching cyanobacteria.
(a) Age of maturity of Atlantic cod decreased during the fishery collapse. (b) Evidence of maturatio (a) Age of maturity of Atlantic cod decreased during the fishery collapse. (b) Evidence of maturatio
Parts of the Hand Used in Palpation; Ulnar Surface Parts of the Hand Used in Palpation; Ulnar Surface
Telescopic View of the Lunar Surface Telescopic View of the Lunar Surface
Determ ine the measure of angle x Determ ine the measure of angle x
A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ... A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ...
Video: Physiology of Asthma

For a complete list of videos, visit our video library