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 132 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


ultraflyy23

  • Member
  • Posts: 312
Reply 3 on: Yesterday
Gracias!

 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

For a complete list of videos, visit our video library