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A string, stretched between two fixed posts, forms standing wave resonances at 350 Hz and 420 Hz. What is the greatest possible value of its fundamental frequency? Answer in Hz
Point charges q1 = +2.00 muC and q2 = -2.00 muC are placed at adjacent corners of a square for which the length of each side is 1.00 cm. What is the electric potential at point b
A stationary observer hears 597.6 Hz change to 447.8 Hz as a source of constant frequency passes at constant speed. find the source's speed and frequency
Two particles are fixed on x-axis. Particle 1 of charge q1 = -2×10^-7 C at x = 20 cm and particle 2 of charge q2 = +8×10^-7 C at x = 70 cm. At what x coordinate on the axis is net electric field produced by the particles equal to zero.
An empty capacitor is capable of storing 1.0 × 10-4 J of energy when connected to a certain battery. If the distance between the plates is halved and then filled with a dielectric, how much energy could this modified capacitor store when connected..
The units can either be sold at the split-off point for $9 each, or processed further at total cost of $9,500 and then sold for $12 each. Illustrate should product X be processed further or sold at the split-off point?
A substance has a melting point of 20° C and a heat of fusion of 2.9 × 104 J/kg. The boiling point is 150° C and the heat of vaporization is 5.8 × 104 J/kg at a pressure of one atmosphere. The specific heats for the solid, liquid, and gaseous phases ..
A piano tuner sounds two strings simultaneously. One has been previously tuned to vibrate at 287.0 Hz. The tuner hears 2.0 beats per second. What was the original frequency of the untuned string
If a boat and its riders have a mass of 1500kg and the boat drifts in at 1.4m/s how much work does Sam do to stop it
A tiny particle of density 3275 kg/m3 is at the same distance from the Sun as the Earth is (1.5 1011 m). Assume that the particle is spherical and perfectly reflecting. What would its radius have to be for (the force due to) the outward radiation pre..
If 43.8 cm of copper wire (diameter = 1.02 mm, resistivity = 1.69 x 10-8?·m) is formed into a circular loop and placed perpendicular to a uniform magnetic field that is increasing at the constant rate of 8.38 mT/s
What is the Kinetic Energy of the sphere when it is 4.70cm from the line of charge if the only force on it is the force exerted by the line of charge
he 5.0- block is pulled to the right with a force as shown in the figure . The coefficient of static friction between all surfaces is 0.55 and the kinetic coefficient is 0.3, illustrate what is the minimum value of needed to move the two blocks?
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