E. Aeroplanes, missiles and space ships are pointed.

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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1 a

2 b

3 b

4 d

5 d

6 d

explanation:

hi there!

your question asks at which segment does freezing occur.

since we're talking about water, the freezing point of water will be 32 degrees fahrenheit or below.

hope this ! ~

grav force prop 1/r squared 2r all squared is 4rsquared 1/4rsquared quartered