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Q. A 30 horizontal metal bar, 15 long, is free to slide up and down between two tall, vertical metal rods that are 15 apart. A 5.0×10-2 magnetic field is directed perpendicular to the plane of the rods. The bar is raised to near the top of the rods, and a 1.2 resistor is connected across the two rods at the top. Then the bar is dropped.What is the terminal speed at which the bar falls? Assume the bar remains horizontal and in contact with the rods at all times.
A horizontal uniform bar of mass 2.9kg and length 3.0 m is hung horizontally on two vertical strings. String 1 is attached to the end of the bar, and string 2 is attached the distance 0.74 m from the other end.
Find out the minimum values of m1 and m2 such that the overlapping of the bright fringes will occur and find position of the overlap on screen.
The amplitude of the electric field of an electromagnetic wave is 197 V/m.
A cylinderical water tank of radius 10ft and height 30ft is half filled with water. How much work is essential to pump all of the water out through a hole in the top of tank.
Find the resultant forces and moments at wrist, biceps muscle force, elbow and shoulder and joint reaction force using 2-D static analysis.
Both systems start from rest, and the direction of the force moves with the system and always points along the 4.00 m rod. What is the angular velocity of each system after 5.28 s.
Determine magnitude of the force from the ground on each front wheel. what is magnitude of the duck's velocity.
A submarine dives 90.0 m at an angle of 8.0° below the horizontal. What are the horizontal and vertical components of submarine's displacement? (Imagine that upward and the direction of the submarine's horizontal motion is positive.)
If a car of mass 1000 kg is moving along a highway at 92 km/h, what is car's kinetic energy as determined by someone standing alongside the highway.
The object is authorized to move on a horizontal frictionless surface. The object is released from rest when the spring is compressed 0.15 m. Find out the force on the object.
Suppose a train engineer is climbing a vertical ladder at a speed of 0.2m/s while the train is slowly coasting east at 0.70 m/s. Find out the vector of the engineer relative to the ground in rectangular notation.
What is the maximum amount of energy the incident electron can lose in elastically in this collision? What is left over energy of the electron.
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