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

Author Question: A clerk can lift containers a vertical distance of 1 m, or roll them up a 2-m-long ramp to the same ... (Read 43 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
on: Jul 29, 2018
A clerk can lift containers a vertical distance of 1 m, or roll them up a 2-m-long ramp to the same elevation. With the ramp, the applied force needed is
 
  A) half as much.
  B) twice as much.
  C) the same.

Question 2

A 35-N bucket of water is lifted vertically 3.0 m and then returned to its original position. How much work did the gravitational force exerted by Earth on the object do on the bucket during this process?
 
  A) 180 J
  B) 90 J
  C) 45 J
  D) 0 J
  E) 900 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xthemafja

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

D


Charlie

  • Member
  • Posts: 640
Reply 2 on: Jul 29, 2018
:D TYSM

connor417

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

The Long Valley Caldera Erupted the Bishop Ash 760,000 Years Ago The Long Valley Caldera Erupted the Bishop Ash 760,000 Years Ago
Levels of Processing Affects Long-Term but not Short-Term Memory Levels of Processing Affects Long-Term but not Short-Term Memory
Vertical filing systems offer an alternative to traditional upright storage systems Vertical filing systems offer an alternative to traditional upright storage systems
Part of a Semantic Network in Long-Term Memory Part of a Semantic Network in Long-Term Memory
Americium-243 has a decay constant of 9.39 × 10-5 years-1. How long will it take Americium-243 has a decay constant of 9.39 × 10-5 years-1. How long will it take
Long bone formation Long bone formation
Video: Structures that affect circulation - venous return

For a complete list of videos, visit our video library