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

Author Question: Which of the following would be the best radiator of thermal energy? A) a shiny surface B) a ... (Read 40 times)

joesmith1212

  • Hero Member
  • *****
  • Posts: 549
on: Jul 27, 2018
Which of the following would be the best radiator of thermal energy?
 
  A) a shiny surface
  B) a perfectly white surface
  C) a perfectly black surface
  D) a metallic surface
  E) styrofoam

Question 2

A boy jumps at a speed of 20.0 m/s at an angle of 25.0 above the horizontal. What is the horizontal component of the boy's velocity?
 
  A) 18.1 m/s
  B) 15.6 m/s
  C) 8.5 m/s
  D) 12.6 m/s
  E) 20.0 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

JYan

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

A


joesmith1212

  • Hero Member
  • *****
  • Posts: 549
Reply #2 on: Jul 27, 2018
Thanks


JYan

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Hematoma. A hematoma around the right eye caused by an injury. A hematoma is the result of bleeding Hematoma. A hematoma around the right eye caused by an injury. A hematoma is the result of bleeding
Some energy interconversions in living organisms Some energy interconversions in living organisms
Effect of a catalyst on activation energy Effect of a catalyst on activation energy
The Three Components of Energy Needs The Three Components of Energy Needs
Energy Transfer Energy Transfer
Physics: Power, Energy and Time Physics: Power, Energy and Time
Video: Otitis Media

For a complete list of videos, visit our video library