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You are standing on the road as a garbage truck recedes from you ata speed of 30 m/s. The trucks backup signal sound has a fixed frequency of 300 Hz. At the same time a another garbage truck is approaching you. The second truck is going at the same speed and has the same signal sound.
A) What frequencies do you hear from each garbage truck?B) What is the frequency difference, if any, between the two observed frequencies?
writenbspa paper follow below instructions -the three classes of pumps which are positive displacement momentum
The focal length of diverging lens is negative. if f=-20cm for a particular diverging lens, where well the image be formed of an object locate 50cm to the left of the lens on the optical axis? What is the magnification of the image?
A CD has a mass of 16.5 g and a radius of 6.08 cm. When inserted into a player, the CD starts from rest and accelerates to an angular velocity of 20.2 rad/s in 0.708 s. determine the net torque acting on it
A rock climber throws a small first aid kit to another climber who is higher up the mountain. What is the vertical height between the two climbers
Dario, a prep cook at an Italian restaurant, spins a salad spinner and observes that it rotates 20.0 times in 5.00 seconds, What is the angular acceleration of the salad spinner
A steel cable with a total length of 25.6 m and total mass of 95 kg is connected to two poles. Calculate the wavelength of the resulting wave on the cable
The force on an object is given by F(x) = -2(x^2)(e^x), where F is in newtons, and x is in meters. What is the change in the object's potential energy
question1the drawing not to scale shows one alignment of the sun earth and moon. the gravitational force that the sun
A 1.10kg , horizontal, uniform tray is attached to a vertical ideal spring of force constant 190N/m and a 295g metal ball is in the tray. How fast is the ball moving just as it leaves the tray
A runner makes one lap around a track in 68.0s. The track is oval, has two straight 100m stretches with a semicircular bend (radius of 50m) at each end. What was the runner's total displacement for the lap
To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest as in the figure below. The belt is a 160-turn coil. find the magnitude of the average induced emf in the coil during that time
The Earth orbits about the sun once every 365 days. The distance between the earth and the sun is 1.5x10^11 m. What is the average orbital velocity of the earth
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