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A spring is hung vertically from a fixed support. When an object of mass m is attached to the end of the spring, it stretches by a distance y. When an object of mass of 2m is hung from the spring, it stretches by a distance 2y. A second, identical spring is then attached to the free end of the first spring.
If the object of mass 2m is attached to the bottom of the second spring, how far will the bottom of the second spring move downward from its outstretched position? Assume the masses of the springs are negligible when compared to m.
oscillation of a 170 hz tuning fork sets up standing waves in a string clamped at both ends. the wave speed for the
A 17 centimeter long solenoid has 4700 turns of wire. Inside this solenoid is a second one, also 17 centimeter long but with 2200 turns of wire. Obtain the magnitude of magnetic field in the space between the two solenoids
Remember that the distance relationship is s = s0 + v0 t = 1/2 a t^2 An object falls freely from rest on a planet where the acceleration due to gravity is 20 m/s/s.
An electric power station is producing 1.60 × 103 W of power that is to be sent to a small town located 13 km away, Find the power lost in heating the wires
An air-filled parallel-plate capacitor has a capacitance of 1.4 pF. The separation of the plates is doubled and wax is inserted among them. The new capacitance is 2.1 pF. Discover the dielectric constant of the wax.
Discover the electric energy density among the plates of a 225-F parallel-plate capacitor. The potential difference among the plates is 390V , and the plate separation is 0.278mm .
A generator connected to an RLC circuit circuit has an rms voltage of 120 V and an rms current of 34 mA. what is the inductive reactance of the circuit
A bar magnet is moving with a velocity, v, in the plane of the page towards a conducting loop that is perpendicular to the bar magnet. calculate the poles of the bar magnet
Att= 0 an electron crosses the positivey-axis (sox= 0) at30cm from the origin with velocity6.105m/s in the positivex-direction. It is in a uniform magnetic field.
a particle is moving along a straight line with the acceleration a 12t-3t12fts2 where t is in seconds.determine the
You are designing a lathe motor, part of which consists of auniform cylinder whose mass is 90 kg and whose radius is 0.40 mthat is mounted so that it turns without friction on its axis,which is fixed. The cylinder is driven by a belt that wraps ar..
In a Certain Organic molecule, the nuclei of two carbon atoms are separated by a distance of 0.25 nm. What is the magnitude of the electric force between them
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