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

Author Question: An automobile (m = 1.00 103 kg) is driven into a brick wall in a safety test. The bumper behaves ... (Read 81 times)

tnt_battle

  • Hero Member
  • *****
  • Posts: 556
on: Jul 28, 2018
An automobile (m = 1.00  103 kg) is driven into a brick wall in a safety test. The bumper behaves like a spring (k = 5.00  106 N/m), and is observed to compress a distance of 3.16 cm as the car is brought to rest. What was the initial speed of the automobile?

Question 2

A surprising demonstration involves dropping an egg from a third-floor window to land on a foam-rubber pad 2 in (5 cm) thick without breaking. If a 56-gram egg falls 12 m, and the foam pad stops the egg in 6.25 ms, by how much is the pad compressed?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pikon

  • Sr. Member
  • ****
  • Posts: 361
Reply #1 on: Jul 28, 2018
Answer to Question 1

2.23 m/s

Answer to Question 2

4.8 cm


tnt_battle

  • Hero Member
  • *****
  • Posts: 556
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


pikon

  • Sr. Member
  • ****
  • Posts: 361
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

The Ames test for mutagenicity. The Ames test for mutagenicity.
Wearing safety equipment is essential at all ages Wearing safety equipment is essential at all ages
Teaching women about the safety of drug use during pregnancy is an essential component of nursing ... Teaching women about the safety of drug use during pregnancy is an essential component of nursing ...
Liver scratch test Liver scratch test
A hypothesis test is performed to test the claim that a population proportion is greater than ... A hypothesis test is performed to test the claim that a population proportion is greater than ...
The Ames test for potential mutagenicity of chemical compounds The Ames test for potential mutagenicity of chemical compounds
Video: Pressure Flow Model Animation

For a complete list of videos, visit our video library