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

Author Question: An object that weighs 75 N is pulled on a horizontal surface by a horizontal pull of 50 N to the ... (Read 128 times)

LCritchfi

  • Hero Member
  • *****
  • Posts: 519
on: Jul 29, 2018
An object that weighs 75 N is pulled on a horizontal surface by a horizontal pull of 50 N to the right. The friction force on this object is 30 N to the left. What is the acceleration of the object?
 
  A) 0.27 m/s2
  B) 1.1 m/s2
  C) 2.6 m/s2
  D) 11 m/s2

Question 2

A 100-g ball falls from a window that is 12 m above ground level and experiences no significant air resistance as it falls. What is its momentum when it strikes the ground?
 
  A) 3.3 kg  m/s
  B) 4.8 kg  m/s
  C) 1.8 kg  m/s
  D) 1.5 kg  m/s
  E) 2.4 kg  m/s
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

C.mcnichol98

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


LCritchfi

  • Member
  • Posts: 519
Reply 2 on: Jul 29, 2018
Excellent

Kedrick2014

  • Member
  • Posts: 359
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Parts of the Hand Used in Palpation; Ulnar Surface Parts of the Hand Used in Palpation; Ulnar Surface
Surface Water Resources Surface Water Resources
a) Drawing of influenza virion showing the hemagglutinin (H) and the neuraminidase (N) surface ... a) Drawing of influenza virion showing the hemagglutinin (H) and the neuraminidase (N) surface ...
Fingertip rake over pectoralis major from sternum to shoulder. Pull arm out from the body to access ... Fingertip rake over pectoralis major from sternum to shoulder. Pull arm out from the body to access ...
A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di
How do i calulate an object of that is dropped from (g=9.80m/s2) for 5 s before hitting the ... How do i calulate an object of that is dropped from (g=9.80m/s2) for 5 s before hitting the ...
Video: Ciliate conjugation Animation

For a complete list of videos, visit our video library