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

what is the value for the expression -5+ 5
write the number in two other forms
What was Italy’s primary role in the WWII?a. It helped Germany in accomplishing its main objectivesb. It was helpful to Britainc. It caused problems for Japand.
what is the solution to 1/3(s-2)=s+4
The gram formula weight of phosphoric acid is 98.00 g/mol, and the density of 85.0% phosphoric acid is 1.685 g/mL. Could you describe how ...
Explain the connection, or relationship between a protagonist and an antagonist.
8. A pattern of being late for work or for appointments is usuallyA. a habit learned early, which is nearly impossible to break.B. directly related to one's per
how many kilograms is in 12,321grams
placing 12 tiles side by side, Pete can make a 12-by-1 rectangle. Name two other rectangles Pete can make with 12 tiles
Which of the following did NOT grow or increase as a result of early farming? villages trade life spans cities