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

Author Question: Two identical arrows, one with twice the speed of the other are fired into a bale of hay. The faster ... (Read 9 times)

vicky

  • Hero Member
  • *****
  • Posts: 586
on: Jul 29, 2018
Two identical arrows, one with twice the speed of the other are fired into a bale of hay. The faster arrow will penetrate the bale
 
  A) the same distance as the slower arrow.
  B) twice as far as the slower arrow.
  C) four times as far as the slower arrow.
  D) more than four times as far as the slower arrow.
  E) none of the above

Question 2

An auto weighing 3000 newtons has a forward drive force of 1000 newtons. Air resistance on the car is 100 newtons, and road resistance is 100 newtons. The auto moves along a straight level road. The force due to gravity acting on the auto is
 
  A) 800 newtons upward.
  B) 4200 newtons downward.
  C) 3000 newtons upward.
  D) zero.
  E) 3000 newtons downward.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mcomstock09

  • Sr. Member
  • ****
  • Posts: 377
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

E


vicky

  • Hero Member
  • *****
  • Posts: 586
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


mcomstock09

  • Sr. Member
  • ****
  • Posts: 377
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande
J. M. W. Turner, Rain, Steam, and Speed—The Great Western Railway. J. M. W. Turner, Rain, Steam, and Speed—The Great Western Railway.
Integrated Gasification Combined Cycle coal-fired stations Integrated Gasification Combined Cycle coal-fired stations
identical (left) and fraternal (right) twins identical (left) and fraternal (right) twins
In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv
A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ... A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ...
Video: Gas exchange - driving force

For a complete list of videos, visit our video library