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

Author Question: A ball vibrates back and forth from the free end of an ideal spring having a force constant (spring ... (Read 89 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
on: Jul 29, 2018
A ball vibrates back and forth from the free end of an ideal spring having a force constant (spring constant) of 20 N/m. If the amplitude of this motion is 0.30 m,
 
  what is the kinetic energy of the ball when it is 0.30 m from its equilibrium position?
  A) 0.00 J
  B) 0.22 J
  C) 0.45 J
  D) 0.90 J
  E) 1.4 J

Question 2

What is the charge on 1.0 kg of protons? (e = 1.60  10-19 C, mproton = 1.67  10-27 kg)
 
  A) 1.0 C
  B) 1000 C
  C) 9.6  107 C
  D) 6.0  1026 C
  E) 6.0  1023 C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cascooper22

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

C


Mimi

  • Member
  • Posts: 542
Reply 2 on: Jul 29, 2018
:D TYSM

Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Jaguar F-type back Jaguar F-type back
Despite the traditional focus on males, females actively choose mates and are the driving force in t Despite the traditional focus on males, females actively choose mates and are the driving force in t
Apply circular fingertip friction on back, moving along spinal muscles from hip to shoulder and over ... Apply circular fingertip friction on back, moving along spinal muscles from hip to shoulder and over ...
Thumb petrissage back down the same side of the spine from shoulder to sacrum. Thumb petrissage back down the same side of the spine from shoulder to sacrum.
Model look has gone from curvy to stick thin to sporty and back to waiflike again Model look has gone from curvy to stick thin to sporty and back to waiflike again
A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30 below the horizontal ... A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30 below the horizontal ...
Video: Requirements for nervous signals

For a complete list of videos, visit our video library