Dario992 Dario992

15-05-2015
Physics

contestada

A 1 kilogram ball has 8 joules of kinetic energy. what is its speed

Respuesta :

chipperrider chipperrider

16-05-2015

[tex]KE = \frac{1}{2}mv^{2} \\ v = \sqrt{ \frac{2KE}{m} } \\ v = \sqrt{ \frac{2*8J}{1kg} } \\ v = 4m/s[/tex]

Therefore, the ball has a velocity of 4m/s.

Answer Link

Otras preguntas

What means "A fair exterior is a silent recommendation."(½ or 1 page).

Which war immediately preceded the communist revolution in Russia?

(8i)(4i)(-9i) simplify

need help with this questiona milk man delivers 109865 bottles of milk a yearwrite the numbers of bottles toothe nearest 100the nearest 1000the nearest 10the ne

A motorcycle starts from a standstill. In 15 seconds it reaches a velocity of 20 m/s. What is the motorcycle's average acceleration?

What means "A fair exterior is a silent recommendation."(½ or 1 page).

A lever used to lift a heavy box has an input arm of 4 meters and an output arm of 0.8 meters. What is the mechanical advantage of the lever?

ndia's Ganges River, a vital natural resource, is thought to be seriously contaminated. Why has the government been slow in cleanup efforts?

Mainland China is controlled by the Communists whereas Taiwan is controlled by

A truth table with three inputs has how many switch combinations?