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

Author Question: Rita raises a 10kg package to a height of 2.5 m in 2.0 s. (a) How much work did she do on the ... (Read 69 times)

storky111

  • Hero Member
  • *****
  • Posts: 561
on: Jul 29, 2018
Rita raises a 10kg package to a height of 2.5 m in 2.0 s.
 
  (a) How much work did she do on the package?
  (b) How much power was expended on the package?
  (c) If she were to raise the package in 1.0 s rather than 2.0 s, how do the work and power change?

Question 2

Express -40C in F.
 
  A) -72F B) 4.4F C) -40F D) -54F


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

debra928

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 0.25 Kj (b) 0.12 kW (c) the same work, but the power doubles

Answer to Question 2

C


storky111

  • Member
  • Posts: 561
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

amcvicar

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Normal development of posture and spinal curves. (A) Toddler: Protruding abdomen; lumbar lordosis. ( Normal development of posture and spinal curves. (A) Toddler: Protruding abdomen; lumbar lordosis. (
Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia
Work and Gender: Women at Work in India Work and Gender: Women at Work in India
Success, You Rock, Achievement, The way we work Success, You Rock, Achievement, The way we work
When the service work is completed, the hoist should be raised slightly and the safety released ... When the service work is completed, the hoist should be raised slightly and the safety released ...
A sample of work by a Grade 4 student with a specific learning disorder A sample of work by a Grade 4 student with a specific learning disorder
Video: Bone Growth and Remodeling

For a complete list of videos, visit our video library