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

Author Question: An 8.0-kg block is released from rest, with v1 = 0.00 m/s, on a rough incline, as shown in the ... (Read 339 times)

bclement10

  • Hero Member
  • *****
  • Posts: 560
An 8.0-kg block is released from rest, with v1 = 0.00 m/s, on a rough incline, as shown in the figure.
 
  The block moves a distance of 1.6-m down the incline, in a time interval of 0.80 s, and acquires a velocity of v2 = 4.0 m/s. How much work does gravity do on the block during this process?
 
  A) +81 J
  B) +100 J
  C) +120 J
  D) -81 J
  E) -100 J

Question 2

The plot in the figure shows the potential energy of a particle, due to the force exerted on it by another particle, as a function of distance. At which of the three points labeled in the figure is the magnitude of the force on the particle greatest?
 
  A) point X
  B) point Y
  C) point Z



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

strudel15

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A




bclement10

  • Member
  • Posts: 560
Reply 2 on: Jul 29, 2018
:D TYSM


T4T

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Wow, this really help

 

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?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

For a complete list of videos, visit our video library