« previous next »

Author Question: When a suction cup sticks to a wall it is A) pulled to the wall by the vacuum. B) pushed to the ... (Read 69 times)

PhilipSeeMore

  • Hero Member
  • *****
  • Posts: 561
on: Jul 29, 2018
When a suction cup sticks to a wall it is
 
  A) pulled to the wall by the vacuum.
  B) pushed to the wall by the atmosphere.
  C) both of these
  D) neither of these

Question 2

A column that extends from sea level to the top of the atmosphere contains a certain mass of air. If the column instead contained the same mass of water, its height would be about
 
  A) 3/4 meter.
  B) 10.3 meters.
  C) 5.6 kilometers.
  D) none of the above


macagn

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

The Wall The Wall
Cystostomy. An artificial opening is made through the urinary bladder wall during this procedure. As Cystostomy. An artificial opening is made through the urinary bladder wall during this procedure. As
Anni Albers, Wall hanging. Anni Albers, Wall hanging.
Wall painting with horses, Chauvet Cave, Vallon-Pont-d'Arc, Ardèche gorge, France. Wall painting with horses, Chauvet Cave, Vallon-Pont-d'Arc, Ardèche gorge, France.
Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ... Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ...
The cell wall of a Gram-positive bacterium, S. aureus The cell wall of a Gram-positive bacterium, S. aureus
Video: Complement Proteins Animation

For a complete list of videos, visit our video library