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Here is the problem which I am struggling on, please help me!
Problem: Taking the speed of sound to be a convenient 330 m/s, what is the wavelength of sound with frequency of 440 Hz (which is an A on the piano)?
If possible just a brief explanation how you got the answer of above problem? Thanks.
An 8.70kg block slides by an initial speed of 1.66m/s up a ramp inclined at an angle of 27.4 degrees to the horizontal. The coefficient of kinetic friction among the block and the ramp is 0.3. Use energy conservation to discover the distance the bloc..
a field (parallel to the axis of the coil) with a magnitude given by B(t) = (4.0 + 3.0t2) T, where t is in s. What is the value of the induced current in the wire at t=3.5 s
Two point charges are separated by 25.0cm (see the figure (Figure 1) ). Suppose that q1 = 6.25nC and q2 = 12.0 nC. Discover the magnitude of the net electric field these charges produce at point A. Find the direction of the net electric field these c..
A solenoid of length 6.3 cm and diameter 0.88 cm is wound with 178 turns per cm. The current is decreasing at a rate of 38.0 A/s. What is the induced emf in the entire solenoid
A mass of 12.2 kg is attached to a string which is wrapped around a cylindral spool of radius 10 cm and moment of inertia 4.00 kg* m square.
the average relative intensity of a persons voice is 58 db. a microphone and amplification system increases the
What is the speed of a satellite in geosynchronous orbit about Earth? Compare it with the speed of the Earth as it orbits the sun (1 revolution per 365 days).
a positively charged particle with a charge of 10.2pc is suspended in equilibrium in the electric field between two
Through an adiabatic process, the temperature of 3.92 moles of a monatomic ideal gas drops from 485 to 205 degrees Celsius. For this gas, find (a) the work it does, (b) the heat it exchanges with its surroundings, and (c) the net heat absorbed by the..
In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 530 nm. What is the work function of this material?
An 85 kg jogger is heading due east at a speed of 2.3 m/s. Find the magnitude and direction of the sum of momenta of the two joggers
If the flare is fired at the same angle over the flat Sea of Tranquility on the moon, where g = 1.6 m/s2, describe what is its horizontal range?
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