elowsayatee2333 elowsayatee2333
  • 22-10-2019
  • Physics
contestada

What is the speed of a 48-kilogram dog running across
a lawn with 216 joules of kinetic energy?​

Respuesta :

henitadesse88
henitadesse88 henitadesse88
  • 22-10-2019

Answer:

3m/s

Explanation:

K.E= (1/2)mv^2

216j= (1/2)48kg • v^2

216J=24kg•v^2

v^2 = (216J)/(24kg)

v^2= 9m^2/s^2

/sqrt{v^2} = /sqrt{9m^2/s^2}

V =3m/s

Answer Link

Otras preguntas

Larger farms and single crop production is one way that farmingIn the United States changed in the late 1800
ASAP PLEASE!!!!! Activation energy is the energy required to _____. A. complete a chemical reaction B. start a chemical reaction C. produce a catalyst D. pr
17 nickels to 49 dimes
In paragraph one, it can be deduced that alders are a kind of A) bird. B) plant. C) berry. D) insect.
Explain the domain.How has it changed over the years?
How many places do you need to move the decimal to the left to write the number below in scientific notation? 60000000000
How can i find y & x y-15=3x -2x+5y=-3
How does one take personal responsibility when choosing healthy eating options? Select three options. create a log of what one’s friends eat each day increase
Choose the correct noun form of the verb to analyze. A) analysis B) analytic C) analyzable D) analyzes
Where did the United States first expand its territory beyond the lower 48 states?