zeinaalami08 zeinaalami08
  • 04-03-2021
  • Physics
contestada

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

Respuesta :

lolzyuh
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 do I calculate percent yield of an element in a chemical reaction?
How does seafloor spreading related to supercontinents ? A. It leads to new information of tectonic crusts under the water that either pushes continents togeth
HELP PLEASEEE!!!!! SCHOOL START TOMORROW. NUMBER 21 and 22 ONLY
Solve the inequality -8<3y-20<52
what are the coordinates of E' after a dilation of 1/4 about the origin? the coordinates for E is (-2,-2).​
Nepal is poor country why​
Which of the following is a possible cross section of a rectangular prism?
Question3..........................
Please answer the attached question by selecting of the the given answers.
Flight times for commuter planes are normally distributed, with a mean time of 94 minutes and a standard deviation of 7 minutes. Using the empirical rule, appro