An airplane with all engines at full thrust accelerates at 2.5m/s^2. Its minimum take off speed is 75m/s. (a). How much time wil
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In this three body system total kinetic energy remains constant:
If we assume that upwards movement is positive and downwards movement is negative the formula is:
Formula for kinetic energy is:
Now we have:
We got two solutions: positive and negative. The speed is 5.04 m/s and direction can be upwards and downwards.
If we assume that upwards movement is positive and downwards movement is negative the formula is:
Formula for kinetic energy is:
Now we have:
We got two solutions: positive and negative. The speed is 5.04 m/s and direction can be upwards and downwards.