This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The force fo static friction between two surfaces is parallel to the surface of contact, and in in ... (Read 73 times)

mia

  • Hero Member
  • *****
  • Posts: 564
on: Jul 29, 2018
The force fo static friction between two surfaces is parallel to the surface of contact, and in in the direction that opposes relative motion.
 
  Indicate whether the statement is true or false

Question 2

A solid wood door, 90.0 cm wide by 2.00 m tall has a mass of 35.0 kg. It is ajar and at rest. A ball with a mass of 500 g is thrown perpendicular to the door with a speed of 20.0 m/s and hits the door 60.0 cm from the hinged side.
 
  The ball rebounds with a speed of 16.0 m/s along the same line. How much energy is lost in the process? A) 29.8 J
  B) 16.3 J
  C) 14.9 J
  D) 12.7 J
  E) 4.79 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

DHRUVSHAH

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 29, 2018
Answer to Question 1

TRUE

Answer to Question 2

A


mia

  • Member
  • Posts: 564
Reply 2 on: Jul 29, 2018
Gracias!

chereeb

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Pressure gradient force Pressure gradient force
Alternative pathway recognition and activation. C3w is on the surface of the microbe; factor B binds ... Alternative pathway recognition and activation. C3w is on the surface of the microbe; factor B binds ...
Deep friction around the hip joint using the knuckles. Use the knuckle of the middle finger to apply ... Deep friction around the hip joint using the knuckles. Use the knuckle of the middle finger to apply ...
Apply superficial friction to the upper and lower back. Stand to one side. Ask the recipient to lean ... Apply superficial friction to the upper and lower back. Stand to one side. Ask the recipient to lean ...
Airflow Associated with Surface Cyclones and Anticyclones Airflow Associated with Surface Cyclones and Anticyclones
finding resultant for the following force combinations finding resultant for the following force combinations
Video: Osmosis - water transport

For a complete list of videos, visit our video library