The particle P starts from rest at point A at time t = 0 and changes its speed thereafter at a constant rate of 2.3g as it follows the horizontal path shown. Determine the magnitude and direction of its total acceleration at times t = 0.67 s and t = 1.24 s. State your directions relative to the x-axis shown (CCW positive) and choose the angle with the smallest magnitude. 3.06 m→ 4.02 m |C Answers: Att = 0.67 s, a = i m/s?, e = i Att = 1.24 s, a = i m/s?, 0 = i

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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.