a firework shell is accelerated from rest to a velocity of 50 ms negative 1 over a distance of 0.250m.calculate the acceleration . how long did the accelaration last
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U = m/s
v= 50 m/s
d= 0.250km =250m
v2 =u2 + 2as
(50)^2=(0)^2 + 2×a×250
2500= 500×a
a = 5 m/s ^2
v= u + at
50 = 0+5×t
t = 10 seconds
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v= 50 m/s
d= 0.250km =250m
v2 =u2 + 2as
(50)^2=(0)^2 + 2×a×250
2500= 500×a
a = 5 m/s ^2
v= u + at
50 = 0+5×t
t = 10 seconds
HOPE it helps you and pls mark as brainlist
hvgp:
pls mark as brainlist
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