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

Author Question: A Hooke's law spring is mounted horizontally over a frictionless surface. The spring is then ... (Read 71 times)

Kikoku

  • Hero Member
  • *****
  • Posts: 540
on: Jul 28, 2018
A Hooke's law spring is mounted horizontally over a frictionless surface. The spring is then compressed a distance d and is used to launch a mass m along the frictionless surface. What compression of the spring would result in the mass attaining double the speed received in the above situation?
 a. 1.41d
  c. 2.00d
  b. 1.73d
  d. 4.00d

Question 2

Of the following heat engines, which has the highest efficiency?
 a. Hero's engine
  c. a car's gasoline engine
  b. a Carnot engine
  d. a truck's diesel engine


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

momolu

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


Kikoku

  • Member
  • Posts: 540
Reply 2 on: Jul 28, 2018
Gracias!

duy1981999

  • Member
  • Posts: 341
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

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?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

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?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

The Sun's Surface The Sun's Surface
Parts of the Hand Used in Palpation; Ulnar Surface Parts of the Hand Used in Palpation; Ulnar Surface
Surface Rupture Surface Rupture
Landscape "Spring Fresco" Landscape "Spring Fresco"
Open pit mining creates immense holes at the surface Open pit mining creates immense holes at the surface
John Tackett in spring of 2003 at age 15 John Tackett in spring of 2003 at age 15
Video: Osmosis - Isotonic, Hypotonic, and Hypertonic​ Solutions

For a complete list of videos, visit our video library