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Solve the all parts of given problem:
Problem: You are walking along a small country road one foggy morning and come to an intersection. While you are crossing, you hear an ambulance siren. As a paramedic, you know that the siren sounds at a frequency of 5.87 kHz. But, as an amateur musician with perfect pitch, you can tell that the frequency you are hearing is actually 5.47 kHz.
Part A: Is the ambulance moving toward or away from you?
Part B: At what speed is the ambulance traveling?
Please give me an explanation for above problem.
The sound level measured in the room by a person watching a movie in a home theatre system varies from 63 dB throughout a quiet part to 92 dB throughout a loud part. In the order of how many times louder is the latter sound.
a bar of length 2 cm slides along metal rails at a speed of 1 cms. the bar and rails are in a magnectic field of 2 t
A 73.7-kg person puts on a life jacket, jumps into the water, andfloats. What is the density of the life jacket
A "seconds pendulum" is one that moves through its equilibrium position once each second. (The period of the pendulum is precisely 2.000 s.) The length of a seconds pendulum is 0.9928m at Tokyo and0.9941m at Cambridge, England.
Your medieval history class is constructing a trebuchet, a catapult-like weapon for hurling stones at enemy castles, Find an expression for the angle that will maximize the range of a projectile launched with speed from height above level ground
An isotope of the element Thallium, Tl-206, undergoes beta decay with a half life of 3.1 minutes. what mass of the isotope will be left after 9.3 minutes have elapsed
Two titanium spheres approach each other head-on with the same speed and collide elastically. What is the mass of the other sphere
Electrons are emitted from a surface when the light of wavelength 500 nm is shone on the surface but electrons are not emitted for longer wavelengths of light. What is the work function of the surface?
A student drops two metallic objects into a 120-g steel container holding 150 g of water at 25°C. One object is a 230-g cube of copper that is initially at 85°C, What is the mass of the aluminum chunk
A firecracker resting on a level street explodes into three pieces of equal mass. Immediately after the explosion, the first piece is moving north at 125 m/s, and the second piece is moving east at 75.0 m/sec. What is the velocity of the third piece ..
A mass is set on the surface of a sphere. If the coefficient of static friction is equivalent to .44, determine at what angle would the mass start sliding
Two 18 cm diameter charged disks face each other, 25 cm apart. Both disks are charged to - 30 nC. What is the electric field strength at the midpoint between two disks.
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