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If a 1.00-kHz sound source moves at a speed of 48 m/s toward a listener who moves at a speed of 29.5 m/s in a direction away from the source, what is the apparent frequency heard by the listener? (Use 343 m/s as the speed of sound in air.)
Two cars of collide in a glancing collision and stick together. Before the colli- sion the first car (mass of 500 kg) is moving with velocity 25 m/s at an angle of 30%u25E6 North of East, Determine the momentum of each car in a suitable Cartesian c..
A converging lens with a focal length of 6.00cmforms an image of a 4.00mm -tall real object that is to the left of the lens. Where are the object and image located
A race car starting from rest accelerates at a constant rate of 6.50 m/s2. What is the velocity of the car
A fighter jet is attempting to land on an aircraft carrier with a runway length of 320m. How far will the jet have to travel before it stops
Find the magnitude of the acceration of each block. what is the magnitude of the average force exerted on the ball by the wall.
A listener increases his distance from a sound source by a factor of 3.05, what is the change in the sound intensity level in dB
A wooden cylinder of length 2.0m and cross section 78cm^2 is suspended in vertical positionwith a string of length 2.5m. Find the linear density of the string
A billiard ball strikes and rebounds from the cushion of a pool table perpendicularly. find the average net force exerted on the all by the cushion
A 950-kg car strikes a huge spring at a speed of 20 m/s, compressing the spring 5.5 m. What is the spring stiffness constant of the spring
A 70 kg person stands on one foot. If his foot is approximately a(n) 8.0-cm by 30-cm rectangle, what is the average pressure beneath his foot
A 2.8 kg block slides along a frictionless horizontal with a speed of 5.5 m/s. After sliding a distance of 8m, the block makes a smooth transition to a frictionless ramp inclined at an angle of 43 degrees to the horizontal. The acceleration of gravit..
A convex mirror has a focal length of -39.0 cm. A 12.0 cm tall object is located 41.0 cm in front of this mirror. Using a ray diagram drawn to scale, determine the size of the image
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