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A standing wave is set up in a 200-cm string fixed at both ends. The string vibrates in 5 distinct segments when driven by a 120-Hz source.
(a.) What is the wavelength of the wave?
(b.) What is the fundamental frequency for the string?
(c.) If the mass per unit length of the string is 2.5 g/m, what is the tension of the string?
A uniform sphere with mass 57.0kg is held with its center at the origin, What is the magnitude of the net gravitational force due to these objects on a third uniform sphere with mass 0.510kg placed at the point x= 4.00m, y = 0
A person 25 centimeters in front of a concave makeup mirror sees an upright image magnified by a factor of two. Draw a sketch to locate the image of the person
A horse races once around a circular track in a time of 18.0 s, with a speed of 18.0 m/s. Illustrate what is the radius of the track? Give your answer in meters, but do not include units.
The manometer tube has an internal diameter of 0.5 cm and it is initially filled with water. Exactly 2 cm3 of an unknown liquid is then poured into one leg of the manometer, and a displacement of 5 cm between the surfaces is measured as shown. Fin..
Three masses are placed at different points along a meter stick of negligible mass: 0.09 kg at 0.98 m, 0.04 kg at 0.55 m, Where's the center of mass of the system
Two carts with masses of 12.5 kg and 4.5 kg, respectively, move in opposite directions on the frictionless horizontal track with speeds of 8 m/s and 5 m/s, respectively. The carts stick together after colliding head-on. Find the final speed of the..
Determine decisions from your personal experiences that fit under each of the categories of differential analysis presented in the text, including lease
An electric field E with an average magnitude of about 150 N/C points downward in the atmosphere near Earth's surface, What charge (both sign and magnitude) must be used
what is the value of the R that gives zero pressure? write down it in terms of h, W and fundamental constants.
A kind of glass has an index of refraction of 1.640 for blue light of wavelength 430 nm, what is the angle between the two beams inside the glass
A 5.20 microFarad parallel-plate air capacitor has a plate separation of 5.00mm, Calculate the energy density in the region between the plates, in units of J/m^3
When a portable fan is first turned on it draws 4.62 A. After it has come up to speed it draws 0.55 A. calculate the back emf while the motor is running
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