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

Raul and his friends each way 1/20 of a ton are standing on a truck scale . The total weight shown by the scale is 3/4 of a ton . How can I find the total numbe

What the correct answer fast

The cylinder shown has a volume of 150 cubic inches and its height is equal to its radius. The cylinder and the sphere shown have the same radius. What is the v

Military culture is known for the combination of boredom, _________, and thrill-seeking, a dangerous combination that has etiological roots based on the adrenal

A leopard chasing a deer reaches a constant speed of 75m / s. In How long does 1200m travel?

Evaluate the expression. Assume that all the angles are in Quadrant I. (cos (arctan √3/7))

A book's theme builds a bridge from specific [blank] to general ideas and emotions.

The best shoes to wear for driving are A. sandals B. flip-flops C. sturdy shoes D. high heels

Questions 1 to 48, what are the answers? Thank you (this is a tense test)

Identify the parameter n in the following binomial distribution scenario. A basketball player has a 0.479 probability of making a free throw and a 0.521 probabi