What's the linear mass density of a string?
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Answer:
Determine the mass density of string by first measuring the total mass of the string on a scale, then...
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A long uniform string of mass density 0.1 kg/m is stretched with a force of 50 N. One end of the string (x=0) is oscillated transversely (sinusoidally) with an amplitude of 0.02 m and a period of 0.1 sec, so that traveling waves in the +x direction are...
Answer:
To find the velocity of waves in this string, look in your textbook for the formula that says "...
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The density of a gas is 4.65 g/L at STP. Calculate the gas’s molar mass. Answer in units of g/mol please help me!
Answer:
At STP 1 mole of any ideal gas occupies a volume of 22.4 L So if we work out the mass of 22.4 L of the...
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I just don't get this stuff... I tried to follow by an example but I'm getting lost. can someone PLEASE explain these to me? 1.) The tension (T) in a string fixed across a 1 m length (L) is 400 Newtons, and the linear mass density of the string is 0...
Answer:
velocity = sqrt ( tension / mass per unit length ) Use this link calculator http://hyperphysics.phy...
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Two waves traveling in opposite directions along a string fixed at both ends create a standing wave described by y(x,t) = 0.01 sin (24.9x) cos (1150t). The string has a linear mass density of 0.0115 kg/m, and the tension in the string is supplied by...
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Okay so i'm a little confused. To figure out the density of an object you dived mass by volume. Correct? Well...can you guys answer these questions for me(: and explain? Thanks! Questions: A loaf of bread has a volume of 2270cm (cubed) and a mass of...
Answer:
Density=mass/volume 1) Density=454g/2270cm^3 =0.2 g/cm^3 2)mass=100g volume=1L 1L=1000mL volume=100...
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I just don't get this stuff... I tried to follow by an example but I'm getting lost. can someone PLEASE explain these to me? 1.) The tension (T) in a string fixed across a 1 m length (L) is 400 Newtons, and the linear mass density of the string is 0...
Answer:
Here's a solution to your problems... https://docs.google.com/open?id=0B93wLOq… Hope this helps...
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A 10 kg mass hangs in equilibrium from a string of total length L = 5.0 m and linear mass density µ = 0.0036 kg/m. The string is wrapped around two light, frictionless pulleys that are separated by the distance d = 2.0 m (Fig. P14.32a). http:/...
Answer:
The speed of a wave on a string is v = √[ T / μ ] and the speed of any wave is v = f&lambda...
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Answer:
v = sqrt(T/mu) This applies to moving waves. The waves on a guitar are stationary. So 0m/s is also a...
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A student collected data about the density of air. She found that .1 g of air had a volume of 100 cm3(squared). What is the density of the air? A. .001 g/cm3 B. .01 g/cm C. .1 g/cm3 D. 1.0 g/cm3 Could you teach me how to find the density? Does the same...
Answer:
Molecular weight of air = (80*28) + (20*32) / 100 = 28.8 We take 80 % of N2 and 20 % of O2. (Not correct...
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