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Q1. The magnitude of the gravitational force between two Sumo wrestlers just before they collide (r = 0.025 m) is 2.77 × 10^-3 N. If one wrestler has a mass of 177 kg, what is the mass of the other wrestler?
Q2. A pipe open at one end only has a fundamental frequency of 242 Hz. A second pipe, initially identical to the first pipe, is shortened by cutting off a portion of the open end. Now, as both pipes vibrate at their fundamental frequencies, the beat frequency of 17 Hz is heard. How many centimeters were cut off the end of the second pipe? The speed of sound is 333 m/s.
A flat circular disk of radius R is uniformly charged withtotal charge Q. What is the magnetic fieldstrength at the center of the disk
q1. a pinball machine launches a 139 g ball with a spring-driven plunger. the game board is inclined at 6 above the
Water at a pressure of 4 atm at street level flows into an office building at a speed of 0.7 m/s through a pipe 5 cm in diameter. Calculate the water pressure in such a pipe on the top floor
An air conditioner connected to a 120 V rms ac line is equivalent to a 14.9 ? resistance and a 1.39 ? inductive reactance in series. calculate the impedance of the air conditioner
A simple harmonic wave of amplitude 5.0cm, wavelength 70cm, What's the wave energy per unit length of the wire
A cooking vessel on a slow burner contains 11.2 kg of water and an unknown mass of ice in equilibrium at 0°C at time t = 0. The temperature of the mixture is measured at various times, and the result is plotted. During the first 50.0 min, the mixt..
question1youre ceo of a courier company and you decide to select an electric car for your fleet of vehicles. a
A long string of tension T and mass density η is attached to a small sphere of mass m. What is the displacement of the string on the right side of the mass
An object is placed in front of a convex mirror with a 22.6-cm radius of curvature. A virtual image half the size of the object is formed. At what distance is the object from the mirror
You are given a parallel plate capacitor that has plates of area 4.00 m2 which are separated by 0.0100 mm of nylon, Calculate what the applied voltage in kV should be for this capacitor
At one instant, a 0.26 kg particle is located at the position [r=(5.9m)*i+(5.5m)*j]. What is the angular momentum of the particle about the origin, in unit-vector notation
An immersible heater coil is to be designed to heat an insulated container with 4 liters of distilled water from 20 degrees to 50 degrees C in less than 30 minutes. what is the resistance of the heating coil
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