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

What is the GCF of 49 and 63?

Gloria talked on her cell phone for 320 minutes in the first month, 243 minutes in the second month, and 489 minutes in the third month. Her payment package do

which of the following is a viewpoint espoused by Locke?a)the idea that government was instated to preserve life, liberty, and property.b)the idea that governme

If you push down on a table with a force of 5 newtons, what is the normal force pushing back to you

How do some human white blood cells help destroy pathogenic bacteria?

The year is 1714. You are in a dark Spanish prison. You wake up to find yourself tied to a table with ropes. In the darkness you hear a rhythmic swishing sound-

what if another company offers a rate of 0.05 per minute. How would you find the unit rate

The evolution of populations due to chance is A)genetic drift. B)has more effect in large populations than in small populations. C)gene flow. D)natural selectio

equation for the points (3,8) (2,6) on slope

Which composer became an American citizen in 1940? -Richard Wagner -Ludwig von Beethoven -Igor Stravinsky -Claude Debussy