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If two adjacent natural frequencies of an organ pipe are determined to be 550Hz and 650Hz, calculate the fundamental frequency and length of the pipe. Assume v(air)=340 m/s
A uniform ladder of mass m and length l leans at an angle θ against a frictionless wall, determine a formula for the minimum angle at which the ladder will not slip
A hollow cylinder of mass 0.141 kg and radius 4.10 cm has a string wrapped several times around it, Find the acceleration of the cylinder
Determine the magnitude of the force on an electron traveling 7.85×105m/s horizontally to the east in a vertically upward magnetic field of strength 0.44T
A ball is thrown downward from building 122 m tall with initial speed 38.0 m/s What will velocity of this ball be as it reaches the ground
A celebrity holds a press conference, which is televised live. A television viewer hears the sound picked up by a microphone directly in front of the celebrity, determine the maximum distance between the television viewer and the celebrity
The pilot of an airplane travelling 200 km/h wants to drop supplies to flood victims isolated on a patch of land 165m below. The supplies should be dropped how various seconds before plane is directly overhead.
A transformer has 350 turns and 94 turns for the primary and secondary respectively. what is the output voltage of the secondary
A solid insulating sphere of radius a = 5 cm is fixed at the origin of a co-ordinate system as shown. The sphere is uniformly charged with a charge density ? = -312 ?C/m3. find the electric potential at the outer surface of the insulating sphere
Travelling at the speed of 14.10 m/s, driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.650. What is the speed of automobile after 1.130 s have elapsed..
A 2inx4inx8ft is leaning against the wall, draw afree-body diagram of forces on it. what would be the minimum angle of the wooden bar with the floor
A 1.8-m-long steel wire in a musical instrument has a radius of 0.02 mm. When the wire is under a tension of 88 N, how much does its length change
Two converging lenses, each of focal length 14.5 cm, are placed 39.1 cm apart, and an object is placed 29.2 cm in front of the first. What is the magnifcation of the system
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