Joe's brother is 37 years old and is married with 3 young children. What risk level of investments should he have in his portfolio? Risky with speculative stocks
B
A balance of growth stocks and blue chip income stocks

acceleration = (change in speed) / (time for the change)

change in speed = (20-120)= -100 m/s.

1.5 min = 90 sec

acceleration = -100/90 = -1.11 m/s^2.

we don't care about the 150kg or the 2,500 meters. they don't make any difference.

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you get 2.3=1.21*\frac{a}2 or 4.6=1.21a or a=3.802 (b)

explanation: