zeinaalami08 zeinaalami08

04-03-2021
Physics

contestada

How fast is a 90kg man running if his kinetic energy is 720 J?

Respuesta :

lolzyuh lolzyuh

04-03-2021

Answer:
4 m/s
Explanation:
KE=1/2mv^2
720=1/2(90)
720=45v^2
divide by 45
16= v^2
over the square root
4=v
v= 4m/s

Answer Link

Otras preguntas

How many oceans are their on earth

When a solution of sodium carbonate is added to a solution of aluminum chloride what type of reaction

I NEED HELP NOWW I WILL GIVE THE BRAIN OF KNOWLEDGE!! Multiple Choice 1. Which of the following is true about the electric charges on the objects below? (1

What is the surface area of a rectangular prism that has dimensions of: Length is 6.5, width is 8, and the height is 3.8

Would this be a primary or secondary source?

Which of the following can be modeled with an exponential function? Select all that apply. 1) Height over time that a football is thrown across the field. 2) Th

Which verb form correctly completes this sentence? Si yo _______________ en Argentina, visitaría el Museo Evita. A. estuvieras B. estuvieran C. estuv

Use the drop-down menus to complete each sentence so the subject and verb agree.

According to the writings of boethius the music that is found in various instruments including the human voice is called?

What bay is bordered by india and bangladesh