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

Was the Gold Rush a good or bad thing for the United States?

How does transpiration play a role in the water cycle ?

Solving systems by elimination: 2x + 4y = -4 3x + 5y = -3 Please show me your work so I can do the rest myself. Thanks!

How is the numeral 35.012 written in words and why

What are two different ways to describe and label the layers of the Earth?

What is Sir Francis Drake hardships

What two major processes are involved in the oxygen cycle?

in what ways is climate controlled by the sun and the water cycle ?

If the speed of an object is tripled, its kinetic energy will be

in what ways is climate controlled by the sun and the water cycle ?