Two airplanes are performing at an air show. Plane A is travelling along a straight inclined path (0 = 41°) and has a constant velocity of va = 136 m. Plane B enters the circular path (r = 135 meters) at point O with a velocity of (vB)o = 46 m and reaches to the velocity of vB = 63 m when it has travelled 30° around the circular path (the instant shown on the picture). Determine the magnitude of the normal component of acceleration vector of plane B (in m) at this instant. 30° y r В

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A: Given, VA=28m/s aA=5m/s2 VB=13m/s aB=4m/s2

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Q: At the instant shown (Eigure 1), the car at A is traveling at 10 m/s around the curve while…

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.