Author Question: During a hockey game, a puck is given an initial speed of 10 m/s. It slides 50 m on the horizontal ... (Read 105 times)

karlynnae

  • Hero Member
  • *****
  • Posts: 599
During a hockey game, a puck is given an initial speed of 10 m/s. It slides 50 m on the horizontal ice before it stops due to friction. What is the coefficient of kinetic friction between the puck and the ice?
 
  A) 0.090
  B) 0.10
  C) 0.11
  D) 0.12

Question 2

A farsighted girl has a near point at 2.0 m but has forgotten her glasses at home. The girl borrows eyeglasses that have a power of +2.75 diopters.
 
  With these eyeglasses, what is the near point of the girl, assuming that she wears them extremely close to her eyes? A) 28 cm
  B) 31 cm
  C) 33 cm
  D) 37 cm
  E) 40 cm


Chou

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

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?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

For a complete list of videos, visit our video library