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A mass-spring system with 0.250kg undergoes simple harmonic motion with period 0.52 seconds. When an additional mass (delta M) is added, the period increases by 21%. A) Find delta M. Express your answer to two significant figures and include the appropriate units.
There are 5 pairs of plates: A,B, and D are charged plastic plates and C is an electrically neutral copper plate. A is attracted to B, C to A, C to D, B to D, How can you tell if they attract or do not
Find the pressure at pump discharge, rate of flow of a pump, energy required by the pump, and size of the pump motor.
A carbon resistor is to be used as a thermometer. On a winter day when the temperature is 4.00?C, What is the temperature on a spring day when the resistance is 216.0
Two very large parallel plates are oppositesly and uniformly charged. if the field between the plates is 1.7 x 10^6 N/C, How dense is the charge in each plate in muC/m^2
An inductor in the form of a solenoid contains 410 turns and is 12.8 cm in length. A uniform rate of decrease of current through the inductor of 0.421 A/s induces an emf of 175 µV. What is the radius of the solenoid? In mm
The plates of a parallel place capacitor have an area of 5 cm^2 each, and the capacitor has a capacitance of 3.5 pF. What is the separation of the plates and its final charge density
A bag of cement of weight 325 N hangs from three wires, find the tensions in the wires
A glass slides across a table top, goes off the edge, and falls onto the floor below. The table is 0.860 m high and the glass lands 1.82 m from th eedge? With what velocity did the glass leave the table top
A 0.95 kg air-track glider is attached to each end of the track by two coil springs. It takes a horizontal force of 0.500 N to displace the glider to a new equilibrium position, x= 0.130 m.
A 4 kg ball is raised a vertical distance of 2 meters. Using the conservation of energy principle calculate the final speed of the ball right before it hits the ground
A electric model train travels at 34.7 cm/s around a circular track of radius 1.61 m. Find the train's period of revolution
Two disks are rotating about the same axis. Disk A has a moment of inertia of 3.67 kg·m2 and an angular velocity of +3.04 rad/s. What is the moment of inertia of disk B
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