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

Author Question: A hill is 150 m long and makes an angle of 12 with the horizontal. As a 60-kg jogger runs up the ... (Read 98 times)

pepyto

  • Hero Member
  • *****
  • Posts: 547
on: Jul 28, 2018
A hill is 150 m long and makes an angle of 12 with the horizontal. As a 60-kg jogger runs up the hill, how much work does gravity do on the jogger?
 a. 8.82E+4 J
  b. 1.83E+4 J
  c. 1.83E+4 J
  d. 8.63E+4 J
  e. zero

Question 2

Samantha pushes a 60-N crate up a ramp 30 m in length and inclined at 10 with the horizontal. What potential energy change does the crate experience?
 a. 1.8E+3 J
  b. 1.8E+3 J
  c. 1.2E+1 J
  d. 3.1E+2 J
  e. 1.0E+4 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zacnyjessica

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

d


pepyto

  • Member
  • Posts: 547
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

kilada

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

A herd of barren-ground caribou at the Thelon River. This subspecies is a long-distance migrant A herd of barren-ground caribou at the Thelon River. This subspecies is a long-distance migrant
Seven black members of Congress in 1871 are from left to right: Senator Hiram Revels (R-MS) and Repr Seven black members of Congress in 1871 are from left to right: Senator Hiram Revels (R-MS) and Repr
An 82-kg painter stands on a long horizontal board 1.55 m from one end. This 27-kg board is ... An 82-kg painter stands on a long horizontal board 1.55 m from one end. This 27-kg board is ...
Hector makes payments of $2000.00 into an RRSP at the beginning of every six months starting ... Hector makes payments of $2000.00 into an RRSP at the beginning of every six months starting ...
Video: Interview with Person who has Schizophrenia

For a complete list of videos, visit our video library