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An ambulance traveling at 36 m/s approaches a car heading in the same direction at a speed of 26 m/s. The ambulance driver has a siren sounding at 530 Hz. At what frequency does the driver of the car hear the siren? (Assume a temperature of 20° C.)
A truck of mass 7,000 kg is traveling along a level road at an initial speed of 20 m/s. Find the total work done on the truck
Two long, parallel wires are separated by a distance of 2.1 cm. What is the current in the second wire? Express the answer with two decimal places
questionyou are part of a team to help design atrium of a new building. your boss manager of the project wants to
A light ray is incident upon a plane interface between two materials. what is the refracted angle (in degrees) in that material
A cat stands on a board of wood in a frozen frictionless pond. The mass of the cat is 4.0 kg, and the mass of the board is 3.0 kg. how far does the cat move in relation to the pond
A 1792 kg safe is 3.01 m above a heavy-duty spring when the rope holding the safe breaks. What is the spring constant of the spring
the plane of a flat, circular loop of wire is vertical. An external B-field is directed perpendicular to the plane of the loop. What is the direction of the external magnetic field
A lead bullet initially at 26.4oC melts just upon striking a target. calculate the speed of the bullet upon impact
A spacecraft moving away from Earth emits a 4346 Hz signal. What is the speed of the spacecraft relative to Earth
Calculate the radius of the path, direction of the force experienced by the electron and the path of the electron through the magnetic field.
Two equally charged particles are held3.2x10 -3 m apart and then released from rest. determine the mass of the second particle
Write an algorithm for computing total flight time and the horizontal distance traveled by the cannon ball for the problem? with explanation.
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