« previous next »

Author Question: A block is launched up an inclined plane. After going up the plane, it slides back down to its ... (Read 116 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?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Muscles of the right upper extremity back view Muscles of the right upper extremity back view
Enzyme block in phenylketonuria (PKU). Enzyme block in phenylketonuria (PKU).
Overhead stretch for the shoulder muscles. Lean back to create the stretch using your body weight. Overhead stretch for the shoulder muscles. Lean back to create the stretch using your body weight.
Dorsal fulling for the back, ribs, and lymphatic reflexes. Dorsal fulling for the back, ribs, and lymphatic reflexes.
Reverse pull-ups (palms up) from hip to armpit. Reach under the back and pull up with the fingertips ... Reverse pull-ups (palms up) from hip to armpit. Reach under the back and pull up with the fingertips ...
The cat came back The cat came back
Video: Neural regulation of mechanical digestion- CNS voluntary, ANS & ENS controlled involuntary movements

For a complete list of videos, visit our video library