In Windows, the computer screen is referred to as a(n).

monitor? desktop?

Explanation:

im not sure which one but my father told me that the monitor is the screen. just going off what remember.. hope this helps <3  

ek = (m·v2) / 2

v - velocity of system after the collision

m = m1 + m2

ek = (m1 + m2) ·v2/2

ek = (200 + 250) ·2,32/2 = 450·5,29/2 = 1190,25 j