This topic contains a solution. Click here to go to the answer

Author Question: Two single wave pulses are sent along a rope. Both have the same height, but one is upward and the ... (Read 33 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
Two single wave pulses are sent along a rope. Both have the same height, but one is upward and the other is downward. As they are passing through each other, they will momentarily cancel each other out.
 
  What becomes of their energy as they are passing through each other?
  A) It is still there in the form of kinetic energy of the rope.
  B) It is momentarily destroyed due to destructive interference.
  C) It is still there in the form of thermal energy of the rope and air.
  D) It is still there in the form of gravitational energy of the rope.
  E) Actually the pulses contained no energy to begin with.

Question 2

A 55-kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.30. A horizontal 140-N force is applied to the box. What is the friction force on the box?
 
  A) 140 N B) 42 N C) 16.5 N D) 160 N E) 0.00 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lindahyatt42

  • Sr. Member
  • ****
  • Posts: 322
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 29% of students answer this correctly




craiczarry

  • Member
  • Posts: 527
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review


helenmarkerine

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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?

The longest a person has survived after a heart transplant is 24 years.

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 average adult has about 21 square feet of skin.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

For a complete list of videos, visit our video library