Register
If the velocity of an object is doubled, its kinetic energy is ______.. a.. doubled. c.. quadrupled. b.. decreased. d.. unaffected. .
149k views
2 votes
If the velocity of an object is doubled, its kinetic energy is ______.. a.. doubled. c.. quadrupled. b.. decreased. d.. unaffected. .

User Bruno Borges
by
8.0k points

1 Answer

5 votes
Kinetic energy formula:
E k = m v²/2
If the velocity is doubled:
E k 1 = m ( 2 v )² / 2 = 4 m v² / 2 = 4 E k
Answer: kinetic energy is quadrupled.
User CeamKrier
by
8.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

At sea level, water boils at 100 degrees celcius and methane  boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
what is a device that transforms thermal energy to mechanical energy
Link Copied!