« previous next »

Author Question: A block is launched up an inclined plane. After going up the plane, it slides back down to its ... (Read 170 times)

saraeharris

  • Hero Member
  • *****
  • Posts: 546
on: Jul 28, 2018
A block is launched up an inclined plane. After going up the plane, it slides back down to its starting position. The coefficient of friction between the block and the plane is 0.3 . The speed of the block when it reaches the starting position on the trip down:
 a. is the same as the launching speed. b. is less than the launching speed. c. is more than the launching speed. d. cannot be compared to the launch speed with the information given.

Question 2

A block is launched up an inclined plane. After going up the plane, it slides back down to its starting position. The coefficient of friction between the block and the plane is 0.3 . The time for the trip up the plane:
 a. is the same as the time for the trip down.
  b. is more than the time for the trip down.
  c. is less than the time for the trip down.
  d. cannot be found compared without knowing the angle of inclination.


beccamahon

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

The iron atom of heme has six coordination bonds: four in the plane The iron atom of heme has six coordination bonds: four in the plane
To maintain balance the bipedal pelvis has a foreshortened ilium and is broader and bowl-shaped. The To maintain balance the bipedal pelvis has a foreshortened ilium and is broader and bowl-shaped. The
To clear an obstructed airway in an infant (A) use chest thrusts followed by (B) back blows. To clear an obstructed airway in an infant (A) use chest thrusts followed by (B) back blows.
Preparing Slides Preparing Slides
Press the back muscles, using the palms or loose fists to apply compression. Do not hyperextend your ... Press the back muscles, using the palms or loose fists to apply compression. Do not hyperextend your ...
Structure of a Triglyceride A triglyceride consists of three fatty acids attached to a glycerol back Structure of a Triglyceride A triglyceride consists of three fatty acids attached to a glycerol back
Video: Hormones and the menstrual cycle Animation

For a complete list of videos, visit our video library