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Answer to Question #40959 in Mechanics | Relativity for alzahra

Question #40959
At t = 0 seconds, a ball is thrown straight upwards from the edge of 50m-high building,
with a velocity of 10 m/s. If there is no air resistance, the ball hits the ground after:



(b) In the expression E=1\2 C (L\T)^2 ,L is measured in meters, t is measured in seconds and
E is measured in (Newton . meter), what is the unit of the symbol C , and what does it
physically represent?
a) Newton.meter; it represents force
b) Kg; it represents mass
c) m/s; it represents speed
d) m/s; it represents velocity
e) None of the above
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