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A Kennedy half-dollar has a mass that is 1.150 x 10-2 kg. The coin is a mixture of silver and copper, andin water weighs 0.1011 N. Determine the mass of silver in the coin.
Two wires in figure P19.5 carry currents of 3A and 5A in the direction indicated (out of the page). a) find the direction and the magnitude of the magnetic field at a point midway between the two wires. b) find the magnitude and the direction of the ..
Two objects moving toward each other collide and rebound. Determine the change in kinetic energy of the smaller object
Current & magnetic induction in the electrical circuits.
A 900 kg car enters an unbanked curve with a radius oof 75.0 m. The coefficient of static friction between the tires and roadbed iis .20. what is the maximum speed with which the car can safely negotiate
A spacecraft in the shape of a long cylinder has a length of 100 m, and its mass with occupants is 1810 kg. Determine the total force on the spacecraft
In a typical experiment to study the force between electric currents in identical fixed and movable wires, the centres of the wires were separated 0.687 cm and the length of the movable wire was 26.5cm. The apparatus was set up so as to produce an..
A water pipe decreases in diameter from 16 cm to 8 cm. In the wider section the average velocity is 30.0cm/s. what is the volume rate of flow in the wide section in m cube/s
A 0.07 kg bullet traveling at 599 m/s hits a 6.7 kg block of wood, What is the velocity (speed)of the wood block immediately after the bullet hits it
Where does package hit the ground relative to the point
A top has a moment of inertia of 2.78 × 10^?4 kg·m^2 and is initially at rest. It is free to rotate about a vertical stationary axis. What is the angular velocity of the object
Use conservation of energy to determine the angular speed of the spool shown in the figure below after the 3.00 kg bucket has fallen 4.50 m, starting from rest. The light string attached to the bucket is wrapped around the spool and does not slip as ..
A mass m2 = 1.8 kg, on a 39.4° incline, is connected to a mass m1 = 5.2 kg, on a horizontal surface. find the magnitude of the tension in the connecting cord
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