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

Author Question: It requires 49 J of work to stretch an ideal very light spring from a length of 1.4 m to a length of ... (Read 64 times)

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
on: Jul 29, 2018
It requires 49 J of work to stretch an ideal very light spring from a length of 1.4 m to a length of 2.9 m. What is the value of the spring constant of this spring?
 
  A) 15 N/m
  B) 44 N/m
  C) 29 N/m
  D) 22 N/m

Question 2

A 1000.0 kg car is moving at If a truck has 18 times the kinetic energy of the car, how fast is the truck moving?
 
  A) 45 km/h
  B) 63 km/h
  C) 54 km/h
  D) 36 km/h


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

atrochim

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A


Hungry!

  • Member
  • Posts: 1,071
Reply 2 on: Jul 29, 2018
Gracias!

tuate

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Elephant work camp in Thailand. Elephants are used for heavy forest work and in circus presentations Elephant work camp in Thailand. Elephants are used for heavy forest work and in circus presentations
Spring Beauty Spring Beauty
A typical 12 volt test light. A typical 12 volt test light.
If toes are curled, straighten them with effleurage along the length of each toe. Use thumb on top ... If toes are curled, straighten them with effleurage along the length of each toe. Use thumb on top ...
Light in air is initially traveling parallel to the face AC of an equilateral triangular prism, ... Light in air is initially traveling parallel to the face AC of an equilateral triangular prism, ...
Video: Brain Lobes Animation

For a complete list of videos, visit our video library