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 65 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
Excellent

scottmt

  • Member
  • Posts: 322
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

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?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Ground cover and colour such as shown here in (a) white sand Ground cover and colour such as shown here in (a) white sand
By reflecting most visible light, snow creates a much cooler microclimate than nearby bare ground. By reflecting most visible light, snow creates a much cooler microclimate than nearby bare ground.
Wahkeena Falls at Columbia River Gorge in Oregon in the autumn. Wahkeena Falls at Columbia River Gorge in Oregon in the autumn.
The impact of endocrine disruptor on animal The impact of endocrine disruptor on animal
Post-term birth rates, by province/territory, Canada Post-term birth rates, by province/territory, Canada
Calculate the weighted-average cost of the following inventory purchases:DateQuantity ... Calculate the weighted-average cost of the following inventory purchases:DateQuantity ...
Video: Gas exchange - partial pressure, locations, external and internal respiration

For a complete list of videos, visit our video library