Register
What is the kinetic energy of an object moving 40m/s with a mass of 20kg?
80.4k views
2 votes
What is the kinetic energy of an object moving 40m/s with a mass of 20kg?

User Larsdk
by
7.2k points

2 Answers

6 votes

Answer:


kinetic \: energy = (1)/(2) m {v}^(2) \\ (1)/(2) * 20 * 40 \\ = 10 * 40 \\ = 400joule \\ thank \: you

User Invin
by
7.7k points
5 votes
KE = (1/2) (mass) (speed)²

KE = (1/2) (20 kg) (40 m/s)²

KE = (1/2) (20 kg) (1,600 m²/s²)

KE = (10 kg) (1,600 m²/s²)

KE = 16,000 Joules
User Soorena
by
7.7k points
← Prev Question Next Question →

Related questions

User Christena
asked Dec 3, 2023 139k views
A body of mass 20kg initially at rest is subjected to a force of 40m for 15sec. Calculate the change in k.e
Christena asked Dec 3, 2023
by Christena
8.5k points
2 answers
2 votes
139k views
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!