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

Author Question: Samantha pushes a 60-N crate up a ramp 20.0 m in length and inclined at 10 with the horizontal. What ... (Read 242 times)

Destiiny22

  • Hero Member
  • *****
  • Posts: 557
on: Jul 28, 2018
Samantha pushes a 60-N crate up a ramp 20.0 m in length and inclined at 10 with the horizontal. What potential energy change does the crate experience?
 a. 1200 J
  c. 600 J
  b. 210 J
  d. 300 J

Question 2

A 4-mol ideal gas system undergoes an adiabatic process where it expands and does 28 J of work on its environment. What is its change in internal energy?
 a. 28 J
  c. zero
  b. -28 J
  d. -7 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cupcake16

  • Sr. Member
  • ****
  • Posts: 309
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


Destiiny22

  • Member
  • Posts: 557
Reply 2 on: Jul 28, 2018
Gracias!

emsimon14

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Trig Example finding angles+length of sides Trig Example finding angles+length of sides
An adjustable wrench. Adjustable wrenches are sized by the overall length of the wrench, not by how ... An adjustable wrench. Adjustable wrenches are sized by the overall length of the wrench, not by how ...
Restriction fragment-length polymorphisms showing different HaeIII genotypes in the b-fibrinogen ... Restriction fragment-length polymorphisms showing different HaeIII genotypes in the b-fibrinogen ...
Place one hand on the medial and one on the lateral thigh to begin horizontal stroking. Slide hands ... Place one hand on the medial and one on the lateral thigh to begin horizontal stroking. Slide hands ...
An aluminum wire has a length of 27.0 m and a resistance of 2.90 n at 20.00C. As An aluminum wire has a length of 27.0 m and a resistance of 2.90 n at 20.00C. As
Electrophoretic separation of a mixture of DNA fragments that vary in length Electrophoretic separation of a mixture of DNA fragments that vary in length
Video: Definitions of stroke volume, preload definition & Factors influencing stroke volume

For a complete list of videos, visit our video library