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

name 2 sound devices and what type they are from the song Where Is The Love by the Black Eyed Peas.
among the qualities listed on the human relations scale, the most important one for the building new relationship is?
what city is located 60 north 25 east
Why do Andhra Pradesh donot recive any snow fall during during winter months. PLEASE HELP.....EXAM TOMORROW
among the qualities listed on the human relations scale, the most important one for the building new relationship is?
A 1700 kg 2006 Mustang GT can accelerate from rest to 100 km/h in a time of 5.0 s.  Determine the net amount of work that must be done on the car to cause this
Any number that is divisible by 3 is also divisible by 9.Find a counterexample to show that the conjecture is false.18274548
Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies neither inequalities
What do you mean by corrosion? How can you prevent it?
Any number that is divisible by 3 is also divisible by 9.Find a counterexample to show that the conjecture is false.18274548