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

Author Question: A 4.00-kg mass is attached to a very light ideal spring hanging vertically and hangs at rest in the ... (Read 499 times)

tingc95

  • Hero Member
  • *****
  • Posts: 556
A 4.00-kg mass is attached to a very light ideal spring hanging vertically and hangs at rest in the equilibrium position.
 
  The spring constant of the spring is 1.00 N/cm. The mass is pulled downward 2.00 cm and released. What is the speed of the mass when it is 1.00 cm above the point from which it was released?
  A) 0.0443 m/s
  B) 0.0744 m/s
  C) 0.0201 m/s
  D) 0.0866 m/s
  E) The mass will not reach the height specified.

Question 2

A 5.00-kg box slides 4.00 m across the floor before coming to rest. What is the coefficient of kinetic friction between the floor and the box if the box had an initial speed of 3.00 m/s?
 
  A) 1.13
  B) 0.587
  C) 0.115
  D) 0.229
  E) 0.267



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sophiapenny

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C




tingc95

  • Member
  • Posts: 556
Reply 2 on: Jul 29, 2018
Excellent


laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

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

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

For a complete list of videos, visit our video library