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a cart with a mass of 200 kg along a frictionless track.
a. Calculate the velocity of the cart at points A and C is the cart is dropped from a height of 100m with an initial velocity of 10 m/s.
b. Calculate the height of the second loop knowing that the velocity of the cart is 24.5 m/s at the top of the loop (point D).
c. calculate the total energy of the cart for any one of the points A through D.
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The specific heat of water is 4186 J/kg•K. The latent heat of fusion is 333 kJ/kg. The density of water is 1.00 g/cm3.
There are approximately 109 million TVs in the United States. Each uses, on average, how much money is spent every day in keeping the TVs turned on
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State the amplitude of the electric field vector in micro volts per meter to three significant figures.
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