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

Author Question: A carpenter is driving a 15.0-g steel nail into a board. His 1.00-kg hammer is moving at 8.50 m/s ... (Read 23 times)

jCorn1234

  • Hero Member
  • *****
  • Posts: 545
on: Jul 29, 2018
A carpenter is driving a 15.0-g steel nail into a board. His 1.00-kg hammer is moving at 8.50 m/s when it strikes the nail.
 
  Half of the kinetic energy of the hammer is transformed into heat in the nail and does not flow out of the nail. What is the increase in temperature of the nail after the three blows that the carpenter needs to drive the nail in completely? The specific heat of steel is 448 J/kg  K.
  A) 8.1 K
  B) 3.6 K
  C) 1.8 K
  D) 2.7 K
  E) 7.7 K

Question 2

For what wavelength does a 100-mW laser beam deliver 1.6  1017 photons in one second? (c = 3.0  108 m/s, h = 6.626  10-34 J  s)
 
  A) 320 nm B) 340 nm C) 330 nm D) 350 nm
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ashely1112

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


jCorn1234

  • Member
  • Posts: 545
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

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.

Cracked Steel Cracked Steel
J. P. Morgan, the financial genius, staved off ruinous competition among steel firms by combining mo J. P. Morgan, the financial genius, staved off ruinous competition among steel firms by combining mo
Georges de La Tour, Joseph the Carpenter. Georges de La Tour, Joseph the Carpenter.
Do Phone Use and Driving Mix? Do Phone Use and Driving Mix?
Portrait board Portrait board
Carpenter Carpenter
Video: Interview with Person having Obsessive Compulsive Disorder

For a complete list of videos, visit our video library