PHY 166 (Calvin) (Conservation of Energy Item 8 What is the particle\'s speed at

Question

PHY 166 (Calvin) (Conservation of Energy Item 8 What is the particle's speed at C? Express your answer to two significant figures and include the appropriate units. The figure is the potential-energy diagram for a 490 g particle that is released from rest at A (Figure 1) tc: 2.9 Previous Answers Correct Significant Figures Feedback: Your answer 2.86 was either rounded differently or used a different number of signit Part C Figure 1 of 1 What is the particle's speed at D? Express your answer to two significant figures and include the U (J) appropriate units 4 3- Umits UD Submit RequestAnswer A BC Provide Feedback Knowledge and ..doc ype here to sear O B

Explanation / Answer

Part C) at D the whole potential energy is converted to kinetic energy

So, mv2/2=5 , m=0.490g

v2=10/m=10/0.49

v=(10/0.49)1/2=4.517m/s=4.52m/s

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