« previous next »

Author Question: A mass of 3.0 kg rests on a smooth surface inclined 34 above the horizontal. It is kept from sliding ... (Read 33 times)

cartlidgeashley

  • Hero Member
  • *****
  • Posts: 572
on: Jul 29, 2018
A mass of 3.0 kg rests on a smooth surface inclined 34 above the horizontal. It is kept from sliding down the plane by a spring attached to a wall. The spring is aligned with the plane and has a spring constant of 120 N/m.
 
  How much does the spring stretch? A) 360 cm
  B) 240 cm
  C) 14 cm
  D) 24 cm
  E) 36 cm

Question 2

Earth's interior is warmed by ________ and Earth's surface is warmed by ________.
 
  A) radioactive processes; fusion in the Sun
  B) fission; fossil fuels
  C) volcanoes; solar energy
  D) terrestrial radiation; terrestrial radiation


Liddy

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

C

Answer to Question 2

Answer: A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

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?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Pineal Gland, Located on the Dorsal Surface of the Midbrain Pineal Gland, Located on the Dorsal Surface of the Midbrain
This five-wire mass air flow sensor consists of a metal foil sensing unit, an intake air temperature ... This five-wire mass air flow sensor consists of a metal foil sensing unit, an intake air temperature ...
Cell Surface Regulators Cell Surface Regulators
Reconnect the lower and upper back with horizontal stroking from lower back to shoulders. Keep flat, ... Reconnect the lower and upper back with horizontal stroking from lower back to shoulders. Keep flat, ...
A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ... A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ...
A bulldozer attempts to drag a log weighing 500 N along the rough horizontal ground. The cable ... A bulldozer attempts to drag a log weighing 500 N along the rough horizontal ground. The cable ...
Video: Atrial natriuretic peptide (vasodilation) & Aldosterone

For a complete list of videos, visit our video library