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

how might the history of california have been different if the gold rush had not happened

The length of an arc of a circle is equal to 1/5 of the circumference of the circle. If the length of the arc is 2π, the radius of the circle is

Why did immigrants tend to group together in cities?

Who benefitted from the corrupt bargain?

It is likely that Earth could lose half of its species in the next ____________ years. a. 50 b. 100 c. 500 d. 1000

What events began and ended athens' golden age??

In minks, the gene for brown fur (B) is dominant to the gene for silver fur (b). Which set of genotypes represents a cross that could produce offspring with sil

What is the value of 9P5? A. 45 B. 126 C. 15,120 D . 59,049 A cooking club has 12 members.How many ways can they select a president and vice presiden

What is the value of 9P5? A. 45 B. 126 C. 15,120 D . 59,049 A cooking club has 12 members.How many ways can they select a president and vice presiden

Of the model cars manufactured in September,1/5 were models of NASCAR cars and 1/3 were world were 2 vintage models.how many cars manufactured in September were