patrickmulbah93
patrickmulbah93 patrickmulbah93
  • 04-07-2021
  • Physics
contestada

A body of mass 450g changes it speed from 5ms¹ to 25ms¹. what is the work done by the body?​

Respuesta :

kushm6652 kushm6652
  • 05-07-2021

Answer:

135J

Explanation:

So we know ΔKinetic Energy= ΔWork

Kinetic energy=1/2mv²

So Kf-Ki=ΔK

ΔK=1/2*0.45(25²-5²)=135J

135J=ΔWork

Answer Link

Otras preguntas

Which of the following situations would a local government address? Presidential Election Trade with other Nations Support of Armed Forces Damaged Streetlights
Mr Atkinson has 5 1/4 lb of dry fish food. He will put an equal amount of food into 3 containers. How much fish food will be in each container.
Which of the following people is responsible for making the Christian faith the official religion of the Roman Empire? A. Pope John Paul I B. Emperor Justinian
What was the purpose of the Seneca Falls Declaration of Sentiments? (Points : 2) to ask men to join the crusade for women's rights to state the case for women's
What is the cause and effect of russia signing the treaty of brest-litovsk?
Which electron configuration represents a selenium atom in an excited state
Great Britain and France gave into Hitler''s demands for territory at the 1938 Munich Conference because __________. the League of Nations refused to take actio
What does a karyotype show? A. the genetic abnormalities B. the relationships among family members C. the carriers of a genetic disorder in a family D. the alle
How did the ancient Greeks represented fractions
write the general form of equation (x-8)^2 +(y+2)^2 =1