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

Author Question: A 20.0-N weight slides down a rough inclined plane which makes an angle of 30.0 with the horizontal. ... (Read 79 times)

debasdf

  • Hero Member
  • *****
  • Posts: 570
on: Jul 29, 2018
A 20.0-N weight slides down a rough inclined plane which makes an angle of 30.0 with the horizontal. The weight starts from rest and gains a speed of 15.0 m/s after sliding 150 m. How much work is done against friction? Use g = 10 m/s2.
 
  A) 1270 J
  B) 1500 J
  C) -1500 J
  D) 229 J
  E) -229 J

Question 2

What is 34 + ( 3 )  (1.2465 ) written with the correct number of significant figures?
 
  A) 37.7
  B) 37.74
  C) 4  101
  D) 38
  E) 37.7395


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lindahyatt42

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

D


debasdf

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jul 29, 2018
TY


lindahyatt42

  • Sr. Member
  • ****
  • Posts: 322
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

The early development of the mammalian brain illustrated in schematic horizontal sections. Compare ... The early development of the mammalian brain illustrated in schematic horizontal sections. Compare ...
How to find the resultant vector of two vectors separated by a known angle How to find the resultant vector of two vectors separated by a known angle
Blunt percussion over the left costovertebral angle Blunt percussion over the left costovertebral angle
Jawad makes semi-annual contributions of $2000 starting on his 27th birthday. How much will he ... Jawad makes semi-annual contributions of $2000 starting on his 27th birthday. How much will he ...
A simple pendulum of length 2.5 m m makes 5.0 complete swings in 16 s s . What is the ... A simple pendulum of length 2.5 m m makes 5.0 complete swings in 16 s s . What is the ...
Video: Cavernous Sinus Larynx Middle Ear Orbit: Granulesm Animation

For a complete list of videos, visit our video library