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

Author Question: You lift a 10. lb physics book up in the air a distance of 1 ft, at a constant velocity of 0.5 ft/s. ... (Read 51 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
on: Jul 27, 2018
You lift a 10. lb physics book up in the air a distance of 1 ft, at a constant velocity of 0.5 ft/s. The work done by gravity is
 
  A) +5 ftlb.
  B) -10 ftlb.
  C) -5 ftlb.
  D) zero.
  E) +10 ftlb.

Question 2

Sandstone is a common type of
 
  A) meteoritic rock
  B) sedimentary rock
  C) metamorphic rock
  D) igneous rock


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

carlsona147

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

B


ssal

  • Member
  • Posts: 572
Reply 2 on: Jul 27, 2018
Gracias!

bdobbins

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Local and long–distance cell communication in animals. Local and long–distance cell communication in animals.
physics physics
Processes That Lift Air Processes That Lift Air
Knead the upper trapezius with one or two hands. Lift, squeeze, and release the soft tissues in a ... Knead the upper trapezius with one or two hands. Lift, squeeze, and release the soft tissues in a ...
Physics: Power, Energy and Time Physics: Power, Energy and Time
What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ... What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ...
Video: Cardiac conductile cells

For a complete list of videos, visit our video library