« previous next »

Author Question: A mass of 1.0 kg is pushed against a spring with a spring constant of 25 N/m. As a result, the ... (Read 38 times)

mp14

  • Hero Member
  • *****
  • Posts: 534
on: Jul 29, 2018
A mass of 1.0 kg is pushed against a spring with a spring constant of 25 N/m. As a result, the spring is compressed by 20 cm. The mass is then released. What is the amount of work required to compress the spring?
 
  What will be an ideal response?

Question 2

You drive 6.00 km at 50.0 km/h and then another 6.00 km at 90.0 km/h. Your average speed over the 12.0 km drive will be
 
  A) greater than 70.0 km/h.
  B) equal to 70.0 km/h.
  C) less than 70.0 km/h.
  D) exactly 38.0 km/h.
  E) cannot be determined from the information given, must also know directions traveled


lin77x

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 29, 2018
Answer to Question 1

0.50 J

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

mp14

  • Hero Member
  • *****
  • Posts: 534
Reply #2 on: Jul 29, 2018
TY


lin77x

  • Sr. Member
  • ****
  • Posts: 326
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

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?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

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 ...
Air Mass Thunderstorms Air Mass Thunderstorms
Spring for the Crane and Deer. Beginning position: Legs straight and together, arms at sides of ... Spring for the Crane and Deer. Beginning position: Legs straight and together, arms at sides of ...
John Tackett in spring of 2003 at age 15 John Tackett in spring of 2003 at age 15
An athlete stretches a spring an extra 40.0 cm beyond its initial length. How much energy has ... An athlete stretches a spring an extra 40.0 cm beyond its initial length. How much energy has ...
How many grams of tartaric acid, H2C4H4O6, (molar mass = 150.10 g) are needed to How many grams of tartaric acid, H2C4H4O6, (molar mass = 150.10 g) are needed to
Video: Structures that affect circulation - heart and systolic/diastolic BP

For a complete list of videos, visit our video library