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

Author Question: A 5.00 kg ball falls from a 2.00 m-high shelf. Just before hitting the floor, what will be its ... (Read 91 times)

c0205847

  • Hero Member
  • *****
  • Posts: 531
on: Jul 28, 2018
A 5.00 kg ball falls from a 2.00 m-high shelf. Just before hitting the floor, what will be its kinetic energy? (g = 9.80 m/s2 and assume air resistance is negligible)
 a. 98.0 J
  c. 19.6 J
  b. 49.0 J
  d. 10.0 J

Question 2

In an isobaric process 3.6  104 J of work is done on a quantity of gas while its volume changes from 2.3 m3 to 1.1 m3 . What is the pressure during this process?
 a. 1.2  104 Pa
  c. 3.0  104 Pa
  b. 2.4  104 Pa
  d. 8.3  104 Pa


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

essyface1

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

C


c0205847

  • Hero Member
  • *****
  • Posts: 531
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


essyface1

  • Sr. Member
  • ****
  • Posts: 347
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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%.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

(a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr (a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr
Deconvolution fluorescence microscopy yields high-resolution optical sections th Deconvolution fluorescence microscopy yields high-resolution optical sections th
Shy children often have a high arousal level in novel social situations. Over time, parents can help ... Shy children often have a high arousal level in novel social situations. Over time, parents can help ...
Permafrost: High albedo, reflects as much as 90% of the Sun’s energy Permafrost: High albedo, reflects as much as 90% of the Sun’s energy
A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ... A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ...
Frequency diagrams of skin colors. (a) Skin color distribution in the parents falls into two discont Frequency diagrams of skin colors. (a) Skin color distribution in the parents falls into two discont
Video: Gastrin (protein digestion)

For a complete list of videos, visit our video library