« previous next »

Author Question: A block is launched up an inclined plane. After going up the plane, it slides back down to its ... (Read 95 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?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Muscles of the right upper extremity back view Muscles of the right upper extremity back view
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
Ahmad - Back In The Day Ahmad - Back In The Day
Push down with your feet to come back up. Push down with your feet to come back up.
Apply passive touch on the shoulder and hip. Stand in back and place one hand on the shoulder and ... Apply passive touch on the shoulder and hip. Stand in back and place one hand on the shoulder and ...
The best thing about back to school The best thing about back to school
Video: Kinetic parameters & Kinetic experiment

For a complete list of videos, visit our video library