Answer:
Yo soy religioso y no creo en la ciencia.
Los que si creen el la ciencia no creen el la religion.
Y asi susesivamente
Answer:
0.079 m or 79 mm
Explanation:
Using the equation of motion
v = √(2as)
Where v is the velocity
a is acceleration = 1400m/s²
s is the distance = 0.55 mm = 0.00055m
Therefore
= √(2 × 1400m/s² × 0.00055 m) = 1.54 m/s
Therefore; initial velocity = 1.54 m/s
Then we use the equation of motion s = v² / 2g
Take g = 9.8 m/s²
Therefore
= (1.54m/s)² / 19.6 m/s²
= 0.079 m or 79 mm
Answer:
Ping Pong ball move at velocity 160.4 m/s
Explanation:
given data
mass m1 = 7 kg
velocity v1 = 3 m/s
mas m2 = 2.45 g = 2.45 × kg
same kinetic energy
to find out
How fast Ping Pong ball move (v2)
solution
we know same KE
so
...........1
so v2 will be
v2 = .............2
put here value in equation 2 we get v2
v2 =
v2 = 160.4
so Ping Pong ball move at velocity 160.4 m/s
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