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The wind is blowing a boat along with a speed of 1.50 m/s. The passengers notice that the waves on the lake are passing the boat (going in the same direction) at 2.00 m/s with respect to the boat. The distance between the wave crests is 0.670m.
a. Find the frequency at which the boat bobs up and down.
b. Find the frequency at which the waves bounce off a stationary rock.
Positive charge is distributed uniformly on a plastic rod bent to form a quarter-circular arc(Figure 1). What is the direction of the electric field at the center of the circle?
a stone with a mass of 95 g is being whirled in a horizontal circle on the end of a string that is 85 cm long. what is the angle that the string makes with the horizontal
At t = 0 it is known that of 1000 neutrons in a one-dimensional box of width 10-5 cm, 100 have energy 4E1, How many neutrons are in the left half of the box
A charge q is distributed uniformly around a thin ring of radius r, What is the magnitude of the magnetic moment of the rotating charge
A 423 Hz sound wave travels through a substance. What is the speed of sound in the substance
Calculate the magnetic field B produced by the wire at a distance 6 cm from the wire (at point P as shown in the picture). A proton travels in direction vp (vp = 6x105 m/s). The proton is a distance of 2 m from the wire. What is the force experiened..
Since n is reliably deduced from z by the optimal decoder, the number of syndromes must be greater than or equal to the number of typical noise vectors. What does this tell you about the largest possible value of rate R for a given f?
If a student plays a note on a keyboard with a frequency of 314 Hz, what will the frequency be of the note one octave higher
A terrestrial telescope (a "spyglass") by a diameter of 2.5cm is attached to a rifle and used for target practice with targets that are 330 m away. What is the smallest feature on the target that can be resolved by this telescope? Suppose λ = 500 n..
A family ice show is held in an enclosed arena. The skaters perform to music playing at a level of 71.5 dB. What total sound intensity engulfs you
Two loudspeaker, 4.0 m apart and facing each other, play identical sounds of the same frequency. You stand halfway between them, where there is a max. of sound intensity. moving from this point toward one of the speakers, you encounter a min. of s..
Calculate the value of the magnetic flux density necessary to move the proton in a circular path of radius 10 mm.
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