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

Author Question: Aluminum has a positive coefficient of thermal expansion. Consider a round hole that has been ... (Read 115 times)

hbsimmons88

  • Hero Member
  • *****
  • Posts: 526
on: Jul 27, 2018
Aluminum has a positive coefficient of thermal expansion. Consider a round hole that has been drilled in a large sheet of aluminum. As the temperature increases and the surrounding metal expands, the hole diameter will
 
  A) increase.
  B) decrease.
  C) remain constant.
  D) depends how much metal surrounds the hole

Question 2

A hunter points a rifle horizontally 3.30 m above the ground. The bullet leaves the barrel at 325. m/s.
 
  (a) How long did it take for the bullet to strike the ground?
  (b) How far horizontally did it travel?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

elizabethrperez

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

(a) 0.821 s
(b) 267. m


hbsimmons88

  • Member
  • Posts: 526
Reply 2 on: Jul 27, 2018
Excellent

bitingbit

  • Member
  • Posts: 323
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Round and wrinkled phenotypes Round and wrinkled phenotypes
The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
Nonverbal communications convey strong, powerful messages that may be negative or positive. Nonverbal communications convey strong, powerful messages that may be negative or positive.
Thermal Protective Clothing Thermal Protective Clothing
Elephant herd drinking at water hole. Botswana Elephant herd drinking at water hole. Botswana
Can you identify the banding patterns predicted by each model after the first round of ... Can you identify the banding patterns predicted by each model after the first round of ...
Video: Structure of a Ribosome

For a complete list of videos, visit our video library