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A guitar player tunes the fundamental frequency of a guitar string to 300 Hz. (a) What will be the fundamentalfrequency if she then increases the tension in the string by 20%? (b) What will it be if, instead, she decreases the length along which the string oscillates by sliding her finger from the tuning key one-third of the way down the string toward the bridge at the lower end?
a spring of stiffiness k supports a box of mass M in which is placed a blokk of mass m. find the force of reaction between the blook and the box
a 6.0 cm diameter horizontal pipe gradually narrows to 4.5 cm. When water flows through the pipe at a certain rate, What is the volume rate of flow
Two steel guitar strings have the same length. String A has a diameter of 0.55 and is under 440.0 of tension. Find the ratio of the wave speeds in these two strings
A capacitor is constructed of two 5.3 m2 parallel metal plates separated by an air gap of 0.010 mm. An electric potential of 25 V is applied to the capacitor. calculate the capacitance of the structure
A ski starts from rest and slides down a 21degree incline 75m long. what is the ski's speed at the base of the incline
A 1.5-cm tall object is placed 0.50 m to the left of a diverging lens with a focal length of 0.20 m. What is the location of the final image with respect to the object
An idealized voltmeter is connected across the terminals of a 16.5-V battery, and a 79.5-?appliance is also connected across its terminals. How much power is being dissipated by the appliance
A particle moves on the x axis from x=0 to x=3. A force of magnitude F(x) = 3x3 + 4x acts on the particle. Calculate the work done by the force
A positive charge +q1 is located to the left of a negative charge -q2. On a line passing though the two charges, there are two places where the total potential is zero. What is the distance between the charges
A 2.40 H coil with a resistance of 3.95×10^2 Ohm is in series with a 4.86×10^3 Ohm resistor. What is the peak value of the potential difference across the coil
Find out the moment of inertia of the wheel if the block rises to a height of = 7.70 cm before momentarily coming to rest.
In 0.675 s, a 6.80-kg block is pulled through a distance of 4.10 m on a frictionless horizontal surface, starting from rest. By how much does the spring stretch
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