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A string that is fixed at both ends has a length of 1.61 m. When the string vibrates at a frequency of 92.8 Hz, a standing wave with five loops is formed.
(a) What is the wavelength of the waves that travel on the string?
(b) What is the speed of the waves?
(c) What is the fundamental frequency of the string?
Object A is metallic and electrically neutral. It is charged by induction so that it acquires a charge of -2.86E-6 C. Calculate the difference in mass between the charged objects
The plates of a parallel-plate capacitor in vacuum are 25 micrometer apart and 88 square cm in area, Calculate the charge on each plate, the capacitance and the energy density
A viewing window on the side of a large tank at a public aquarium measures 32 in. by 37 in. The average gauge pressure from the water is 6 psi
What is the car's maximum speed on an incline of 1 in 20 (ie, if theta is the angle of the incline with the horizontal, sin = 1/20)? Illustrate what is its power output on a 1-in-10 incline if the car is traveling at 10 m/s?
High-speed photos of a 220 microg flea jumping vertically indicate that the jump lasts 1.2 ms, What is the flea's change in momentum during its jump
Two identical capacitors are connected in series to a battery. What is the magnitude of the charge on each plate
A metal slug is dropped from a height of 1/20 RM above the moon's surface. Find the speed with which the slug strikes the moon's surface
It requires 78.73 J of work to lift a rock to a height of 4.03 m. What is the mass of the rock
During a snowmobile race our hero goes 16.7 km at 45 deg to the North of West (45 degrees above the -X). Then turns and goes 7.5 km due east. Then turns and goes 23 km at 40 degrees to the West of South (40 degrees to the left of -y).
A 300g bird flying along at 5.6 m/s sees a 10 g insect heading straight toward it with a speed of 33 m/s, What is the bird's speed immediately after swallowing
A hydrogen atom is in its second excited state (n = 3). calculate angular momentum of the electron
What is the relationship between current and magnetic force, What is the relationship between the length of the wire and the magnetic force
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