« previous next »

Author Question: If an all-electric car has kinetic energy, then it also must have A) impulse. B) momentum. C) ... (Read 60 times)

khang

  • Hero Member
  • *****
  • Posts: 569
on: Jul 29, 2018
If an all-electric car has kinetic energy, then it also must have
 
  A) impulse.
  B) momentum.
  C) acceleration.
  D) force.
  E) none of the above

Question 2

When a cannon is fired, it recoils as the cannonball is set in motion. The cannon and cannonball ideally acquire equal
 
  A) but opposite amounts of momentum.
  B) amounts of kinetic energy.
  C) both of these
  D) neither of these


samiel-sayed

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

khang

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Jul 29, 2018
Thank you!


samiel-sayed

  • Sr. Member
  • ****
  • Posts: 337
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

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.

Carbon dioxide emission per gigajoule of energy released Carbon dioxide emission per gigajoule of energy released
Some energy interconversions in living organisms Some energy interconversions in living organisms
Activation energy graph Activation energy graph
Fossil Fuels Energy Yield and Pollutants—Comparison Fossil Fuels Energy Yield and Pollutants—Comparison
The oceans have absorbed 90% of excess energy The oceans have absorbed 90% of excess energy
Problem Solving – Energy Changes in Chemical Reaction Problem Solving – Energy Changes in Chemical Reaction
Video: Stroke volume - preload, sarcomere length and Frank -Starling law

For a complete list of videos, visit our video library