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

Author Question: A 200-g hockey puck is launched at an initial speed of 16 m/s up a metal ramp that is inclined at a ... (Read 92 times)

clippers!

  • Hero Member
  • *****
  • Posts: 828
A 200-g hockey puck is launched at an initial speed of 16 m/s up a metal ramp that is inclined at a 30 angle.
 
  The coefficients of static and kinetic friction between the hockey puck and the metal ramp are s = 0.40 and k = 0.30, respectively. What vertical height does the puck reach above its starting point?
  A) 8.6 cm
  B) 17 cm
  C) 13 cm
  D) 4.2 cm

Question 2

A 5.00-m-long uniform ladder, weighing 200 N, rests against a smooth vertical wall with its base on a horizontal rough floor, a distance of 1.20 m away from the wall. The coefficient of static friction between the ladder and the floor is 0.200.
 
  How far up the ladder, measured along the ladder, can a 600-N person climb before the ladder begins to slip? A) 1.50 m
  B) 1.26 m
  C) 1.05 m
  D) 3.95 m
  E) 4.56 m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

morganmarie791

  • Sr. Member
  • ****
  • Posts: 336
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 25% of students answer this correctly




clippers!

  • Member
  • Posts: 828
Reply 2 on: Jul 29, 2018
Wow, this really help


phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

For a complete list of videos, visit our video library