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A 0.70-kg mass attached to a vertical spring of force constant 140N/m oscillates with a maximum speed of 0.40m/s . Find the following quantities related to the motion of the mass.
Part A) find the period.
Part B) Find the amplitude
Part C) Find the maximum magnitude of the acceleration.
A small metal ball is given a negative charge, then brought near (i.e., within a few millimetres) to end A of the rod. What happens to end A of the rod when the ball approaches it closely this first time.
An electron with speed v0 =4.16×106m/s is traveling parallel to and along the same direction as an electric field of magnitude E = 7.90×103N/C, How far will the electron travel before it stops
Earth has a net charge that produces an electric field of approximately 150 N/C downward at its surface. (a) What is the magnitude and sign of the excess charge, noting the electric field of a conducting sphere is equivalent to a point charge at i..
A long wire lying along the x-axis carries a current of 2.8 A in the +x direction. There is a uniform magnetic field present, given by B=0.003i + 0.004j + 0.002k, where i, j, k are the unit vectors along the cartesian coordinate axes') in units of..
A 15-kg iron ball is dropped onto a pavement from a height of 80m. Suppose half of the heat generated goes into warming the ball. What is the temperature increase of the ball in degree C
A car initially travelling at 25.90 m/s undergoes a constant negative acceleration of magnitude 1.60 m/s2 after it brakes are applied. How many revolutions does each tire make before the car comes to a stop, assume the car does not skid and the ti..
Two insulated wires, each 2.50 m long, are taped together to form a two-wire unit that is 2.50 m long. One wire carries a current of 7A; the other carries a smaller current I in the opposite direction. The two wire unit is placed at an angle of 78..
A cylindrical tube is closed at both ends by glass plates 10.0mm thick. if the inside length of the tube is 7.5 cm, what is the total optic path length between the outer surfaces
A wire is bent to form a circle whose diameter is 10cm. Find the maximum torque that the magnetic field can exert on the wire
Conclude a rough "scale factor" or "plate scale." Measure the distances in mm or cm between each of the marked wavelengths and average the results.
An 8g bullet is fired at a speed of 216 m/s into a 190 g block that is initially at rest at the edge of a table of 1m height. The bullet fully embeds itself in the block before the bullet-block system launches off the table. How far in the x-direc..
A sound wave traveling at 341 m/s is emittedby foghorn of a tugboat. An echo is heard2.40 s later.How far away is the reflecting object? reply in units of m.
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