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 there factors contributed most to US westward expansion in the second half of the nineteenth century?
what food can provide the body with a quick source of the energy needed to carry out cell functions (A) Whole grain bread (B) ground hamburger (C) vege
what resource do offshore oil rigs
Given A(-12,5) and B(12,29) find the point that divides the line segment AB three-eighths of the way from A to B
Why should adults be more aware of a child/young adults being depressed?
What does la tienda mean
what is the domain and range of each function 1. x (3, 5, 7, 8, 11) y ( 6, 7, 7, 9, 14) 2. x (-3, -1, 2, 5, 7)
which group received the right to vote last
Is it considered muscles' ennervation if the sympathetic fibers innervate vessels within the muscle ?(vasomotricity)
write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression