38. The spee 39, spe FIGURE 10-29 Problem 31 22.. AFerris wheel with a radius of 9.5 m rotates at a constant zate completing one revolution every 36 s. Find the direction and mag- nitude of a passenger's acceleration when (a) at the top and bat the bottom of the wheel. Suppose the Ferris wheel in the previous problem begins to 33. .. decelerate at the rate of 0.22 rad/s when the passenger is at the top of the wheel. Find the direction and magnitude of the passen- ger's acceleration at that time. 34. .. To polish a filling, a dentist attaches a sanding disk with a radius of 3

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Q: 1. 8900000000 2. 1768900000000 3. 609800000000000 4. 0.00000000001234 5. 0.00000009034

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Q: For questions 69-70, consider the following: Uranium (45°U) decays to lead (20 Pb) with a half-life…

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A: Given,  Mass of star m = 7.8 x 1.99 x 1030 Kg Mass of neutron mn = 1.67 x 10-27 Kg

Q: Where did the sin49 come from?

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Q: A typical carbon nucleus contains 6 neutrons and 6 protons. The 6 protons are all positively charged…

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A: Half life of the carbon-14 Activity of the fresh wood Activity of the decayed wood

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Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.