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a plucked guitar string produces a sound wave of frequency 0.44 kHz on a day when the speed of sound is 340m/s.
(a) What is the wavelength of the sound wave?
(b) How much time elapses between the time impacts of two adjacent compressions of the sound wave on your eardrum?
A hydraulic lift is used to jack a 970 kg car 13 cm off the floor. The diameter of the output piston is 18 cm, and the input force is 250 N. Calculate the combined work input of all of the strokes
During a crash test, a car moving at 60 km/ hr collides with a rigid barrier and comes to a complete stop in 200 ms.
A point charge q = 1.45 nC is placed in the center of a spherical cavity of an isolated spherical conductor of inner radius 4 cm and outter radius 12cm
An isolated parallel plate capacitor contains charge Q = +10uC on its plates, correponding to a potential difference of 10V. What is the voltage between the two plates after the separation becomes 2d
A 1200-kg car travels at a constant speed of 18.00 m/s around a circular track that is 80m across. What is the kinetic energy of the car?
Brewed coffee is often too hot to drink right away. You can cool it with an ice cube, but this dilutes it. compute the final temperature of the coffee
Compute the voltage drop along a 23 length of household no. 14 copper wire (used in 15- circuits). The wire has diameter 1.628 and carries a 12 current.
A spinning wheel is slowed down by a brake, giving it a constant angular acceleration of 5.20 rad/s^2. What is the angular speed of the wheel at the end of the 2.80-s interval
A guitar string is 90 cm long and has a mass of 3.8g. What are the frequencies of the fundamental and first two overtones
How much charge passes through the hair dryer. Find the magnitude of the magnetic field at the center of the square.
A uniform magnetic field B is confined to the square region with side of length 2L.
A window washer with a mass of 79.0 kg stands a distance, D = 0.800 m, from the left end of a plank of length, L= 1.90 m, Find T2, the tension in the right cable
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