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 solution... not as hard as it looks and I'll give 13 points!

Rewrite 6/5 as a mixed number.

A rectangle has a length of 12 m and a width of 400cm. What is the perimeter of the rectangle?

Air enters an adiabatic compressor through 0:5m2 opening and exhausts through a 0:2m2 opening. The inlet conditions of air are 200 kPa and 52C with an unknown v

I need an answer for the following question on da pic...!

Which of these is the reasons organisms perform photosynthesis? absorb water release oxygen produce glucose take in carbon dioxide

1 point Item 14 is unpinned. Click to pin. How do we, (humans) get the glucose for cellular respiration? We breath it in We use sunlight to make it We eat food

-5(8p - 2) - 5p = 10 + 5p

Question 9 John wants to order school spirit shirts to sell as a fundraiser at future events #1 Shirt Designs charges a $75 setup fee plus $12.50 per shirt Tees

Adam has designed and tested an Android app for a startup. The client expects to get quick responses to the app. After consulting his client, Adam decides to la