« previous next »

Author Question: If you increase the initial speed of a bullet by 10, the resultant RANGE will increase by what ... (Read 120 times)

yoooooman

  • Hero Member
  • *****
  • Posts: 557
on: Jul 27, 2018
If you increase the initial speed of a bullet by 10, the resultant RANGE will increase by what percent (assume air resistance can be ignored)?
 
  A) 5.0
  B) 20
  C) 10
  D) 21
  E) 11

Question 2

In space, a 4.0 kg metal ball moving 30. m/s has a head-on collision with a stationary second ball of equal mass. After the elastic collision, what are the velocities of the balls?
 
  What will be an ideal response?


billybob123

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

They exchange velocities: the first becomes zero, and the second acquires 30. m/s in the direction the first was moving.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Range of Motion of the Temporomandibular Joint, Pushing Out the Lower Jaw Range of Motion of the Temporomandibular Joint, Pushing Out the Lower Jaw
A goniometer is used to measure range of motion of the patient’s arm. A goniometer is used to measure range of motion of the patient’s arm.
An IAC controls idle speed by controlling the amount of air that passes around the throttle plate. ... An IAC controls idle speed by controlling the amount of air that passes around the throttle plate. ...
finding resultant for the following force combinations finding resultant for the following force combinations
Find the magnitude and the direction of the resultant vector of the vectors below. Find the magnitude and the direction of the resultant vector of the vectors below.
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 ...
Video: Medullary osmotic gradient: countercurrent multiplier, urea recycling & vasa recta countercurrent exchange

For a complete list of videos, visit our video library