A 5.50-kg object is initially moving so that its x-component of velocity is 6.00 m/s and y-component of velocity is -1.90 m/s. (a) What is the kinetic energy of the object at this time?

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Q: If ši = 12 V, I2 =1 A, R2 = 1 2, I3 = 2 A, and R3 = 3 2, find the power dissipated by resistor R1.

A: I2 = 1 A I3 = 2 A R2 = 1 Ω R3 = 3 Ω ξ1 = 12 V

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Q: Explain the significance of turning points.

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