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

Author Question: A 2500-N pile-driver ram falls 10 m and drives a post 0.1 m into the ground. The average impact ... (Read 89 times)

Mr3Hunna

  • Hero Member
  • *****
  • Posts: 536
on: Jul 29, 2018
A 2500-N pile-driver ram falls 10 m and drives a post 0.1 m into the ground. The average impact force on the ram is
 
  A) 2,500 N.
  B) 25,000 N.
  C) 250,000 N.
  D) 2,500,000 N.

Question 2

If the speed of a bicycle is reduced to half before skidding to a stop, it will skid
 
  A) one-eighth as far.
  B) one-fourth as far.
  C) one-half as far.
  D) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Cheesycrackers

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


Mr3Hunna

  • Member
  • Posts: 536
Reply 2 on: Jul 29, 2018
:D TYSM

kjohnson

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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.

Risk for falls cont'd Risk for falls cont'd
A typical 1/2 inch drive air impact wrench. The direction of rotation can be changed to loosen or ... A typical 1/2 inch drive air impact wrench. The direction of rotation can be changed to loosen or ...
Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ... Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ...
The impact of endocrine disruptor on animal The impact of endocrine disruptor on animal
The Global Impact of Climate Change The Global Impact of Climate Change
Figure and Ground Figure and Ground
Video: Peptide Bond Formation Animation

For a complete list of videos, visit our video library