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 50 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?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

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?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

DNA molecules replicate to form identical chromatids DNA molecules replicate to form identical chromatids
Flexible cooling fan blades change shape as the engine speed changes. Flexible cooling fan blades change shape as the engine speed changes.
A rapidly vibrating needle at idle that becomes steady as engine speed is increased indicates worn ... A rapidly vibrating needle at idle that becomes steady as engine speed is increased indicates worn ...
A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ... A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ...
A tsunami (tidal wave) traveling across deep water can have a speed of 750 km/h k m / h and a ... A tsunami (tidal wave) traveling across deep water can have a speed of 750 km/h k m / h and a ...
Escape Speed Problem Escape Speed Problem
Video: Stages of Mitosis - Prophase, Prometaphase, Metaphase, Anaphase & Telophase

For a complete list of videos, visit our video library