In a strange form of billiards, the cue ball is one third the mass of the other balls, which are stripey. There is no spin, and I hit a stripey ball centrally with the cue ball (travelling at
1.4 ms 1) such that the cue ball rebounds in the opposite direction with half of its initial
speed. What is the speed of the stripey ball?
Value
Units
?
-1
ms
Check my answer
Hint 1
Hint 2

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic