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

give an example not illustrating popular sovereignty

explain the difference between nuclear fission and fusion?

Naira has 13 pieces of rope, each piece is 1.5 metres long. What is the least number of pieces that she needs to tie together to make a length that is at least

5. Find the value of x, if 6: x :: 15:95.

Which of the following is not a key factor of competitiveness? a. size of organization b. price . flexibility d. product differentiation e. after -sales service

(e) In the adjoining figure, P is mid-point of side AD

What is the gradient of the line

How much gravity does it require to stop time

I need help with this please, my test is tomorrow and my teacher left the school.

Amina mixed the following substances in two different glasses P and Q of the same size. P - 1 tablespoon of powdered sugar + 1 glass of water Q - 1 tablespoon