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1. A roller-coaster car with a mass of m moves along a smooth track as diagrammed in the graph below. The car leaves point A with no initial velocity and travels to other points along the track. The zero energy level is taken as the energy ot point A.
2. Assume the mass of the car is 65.0 kg and it starts at 30.0 m above the ground Use the graph above to find the kinetic energy, potential energy, and velocity for points C, D, E, F, and G to complete the table.
3. For each location, what do you notice about the sum KEA + PEA compared with the sum AE locallon + PE locallon ?
A meterstick (L = 1 m) has a mass of m = 0.121 kg. Initially it hangs from two short strings: one at the 25 cm mark and one at the 75 cm mark. What is the tension in the left string?
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To measure the static friction coefficient between a 4.78-kg block and a vertical wall, the setup shown in the drawing is used. what is the coefficient of static friction
When its coil rotates at a frequency of 254 Hz, a certain generator has a peak emf of67 V. Decide the frequency of the coil's rotation when the peak emf of the generator is 196 V.
you are eating lunch at your favorite cafe and your friend calls and says he wants to meet you. he is calling from a
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