Explanation:
U = 40m/s
V = 30m/s
T = 5 sec
A = ?
since it's decreasing in speed, The acceleration will be " - 2.0ms^-2 " or " - 2.0m/s^2 "
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60 miles
explanation: 20•3=60
hope this helps
Moles Pbl2 = 0.8628 g : 461.01 g/mol = 0.001871
moles I = 2 x 0.001871 = 0.003742
[I-] = 0.003742/ 0.0429
= 0.0872 M
Answer:
V = 1.578m/s
Explanation:
(Ma x Ua) + (Mb x Ub) = (Ma + Mb)V
(13500 x 4.5) + (25000 x 0) = (13500 + 25000)V
60750 + 0 = (38500)V
60750 = 38500V
V = 60750/38500
V = 1.578m/s