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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 ?
It has been suggested that rotating cylinders about 8.0 mi long and 5.0 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acce..
How fast will the electron be moving. What was his average speed (in m/s) for the race.
For a particle of mass m and charge q moving in a circular path in a magnetic field B, Find angular momentum of a particle about the center of the circle
A 4.00 kg block slides down a frictionless inclined plane with an acceleration 3.00m/s2. What is the angle of the incline above horizontal
A 33.2 m steel wire and a 25.6 m copper wire both with 1.00 mm diameters, are connected end to end and are stretched to a tension of 120 N. How long does it take the transverse wave to travel the entire length of the two wires.
a charge of 23.8 microc is located at 4.32 m 5.90 m and a charge of -10.6 microc is located at -4.43 m 6.65 m. what
A total charge of 1.96 μC is distributed uniformly over anentire region, giving a charge per volume of 245μC/m3. A Gaussian surface encloses 1.23μC of that charge. What is the volume of that entireregion?
Two ants race across a table 66 cm long. One travels at4.42 cm/s and the other at 3cm/s. When the first one crosses thefinish line, how far behind is the second one
A car traveling at 21 runs out of gas while traveling up a 21 slope.How far up the hill will it coast before starting to roll back down.
A circumpolar star has an altitude over the horizon of 4 degrees 12' at west-to-east transit and 51 d 30' at east-to-west transit, What is the latitude of the observer
A placekicker must kick a football from a point 36.0 m (about 40 yards) from the goal. Does the ball approach the crossbar while still rising or while falling
A square loop of wire with sides of length 36.1 cm experiences a uniform magnetic field perpendicular to its area. find the magnitude of the average emf induced in the loop
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