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

Author Question: What is kinetic energy? a. The energy stored in a dry cell. b. The energy an object has because of ... (Read 192 times)

Metfan725

  • Hero Member
  • *****
  • Posts: 552
on: Jul 28, 2018
What is kinetic energy?
 a. The energy stored in a dry cell.
  b. The energy an object has because of its position.
  c. The energy an object such as a spring has because of its shape.
  d. The energy an object has because of its motion.
  e. The energy that two objects at rest have because of their gravitational attraction.

Question 2

When a jet airplane takes off, how is momentum conserved?
 a. Momentum is conserved because the jet of hot air pushes on the atmosphere around it.
  b. Momentum is conserved because the air rushing out of the jet engine is moving out in the direction opposite to the plane's movement.
  c. Momentum is not conserved because the jet was motionless and is now moving.
  d. Momentum is conserved because molecules in the air move on average in all directions.
  e. Momentum is conserved because the jet is collecting oxygen from the atmosphere.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xMRAZ

  • Sr. Member
  • ****
  • Posts: 363
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

b


Metfan725

  • Member
  • Posts: 552
Reply 2 on: Jul 28, 2018
:D TYSM

apple

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Some energy interconversions in living organisms Some energy interconversions in living organisms
Incomplete Dominance in Sickle-Cell Inheritance Incomplete Dominance in Sickle-Cell Inheritance
Long-term Potentiation in the granule cell layer of the rat hippocampal dentate gyrus. (Traces ... Long-term Potentiation in the granule cell layer of the rat hippocampal dentate gyrus. (Traces ...
Energy Energy
Schematic drawing of a rod cell Schematic drawing of a rod cell
Comparing uncontrolled and controlled energy release. Comparing uncontrolled and controlled energy release.
Video: Insulin (glucose uptake by body cells), glycogenesis and lipogenesis

For a complete list of videos, visit our video library