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

Hyperventilation during the preoxygenation phase of endotracheal intubation:

What is the surface area of a cylindrical ring if its outside diameter is 16 mm and its inside diameter is 10 mm? Round your answer to the nearest whole number

What type of exercise is this activity? lifting weights?

Which of the following statements is true about the decomposition of a simple binary compound? The product could be an ionic or a molecular compound. The produ

the presence of fat in the intestines stimulates cells of the intestinal wall to release ____.

"the nicotine level in one dip of snuff equals that in ______ cigarettes."

blueprints for a new house shows june's bedroom is 12 ft by 16 ft . if the scale on the blue prints is 1/2 in =4ft what dimensions are her room on the blue prin

What orientation of velocity and acceleration will cause something to initially slow down

F an atom gains 2 electrons, what is the charge on the resulting ion? b. give an example.

Which ordered pair is the exact solution