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 83 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
Thanks for the timely response, appreciate it

anyusername12131

  • Member
  • Posts: 327
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Striking examples where high surface area releases heat. Striking examples where high surface area releases heat.
Hall-effect switches use metallic shutters to shunt magnetic lines of force away from a silicon ... Hall-effect switches use metallic shutters to shunt magnetic lines of force away from a silicon ...
Apply friction to tendons at the elbow with thumb or fingers. Add stripping effleurage along length ... Apply friction to tendons at the elbow with thumb or fingers. Add stripping effleurage along length ...
finding resultant for the following force combinations finding resultant for the following force combinations
Question about Resultant of gravitational force? Question about Resultant of gravitational force?
Micrograph of toothbrush bristles scrubbing plaque on a tooth surface. Micrograph of toothbrush bristles scrubbing plaque on a tooth surface.
Video: The Pressure Flow Model in a Plant

For a complete list of videos, visit our video library