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1. For an accelerating voltage of 900 V calculate the time taken for an electron to reach the anode after being accelerated from rest (u=0) at the cathode of a CRT. Anode -cathode separation is 1cm?
2. A wire carrying a current of 100 A due West in Australia is suspended between two towers 50 m apart. The lines of force of the Earth's magnetic field enter the ground there in a northerly direction at a 45 degree angle; the magnitude of the field is 5 multiplied by 10 minus 5 T. Find the magnitude and direction of the force on the wire exerted by the Earth's field?
Vector A is 25.0 m long and pointing 30 degree North of west and Vector B is expressed at 12.0i - 8.5j. compute the direction of the resultant vector
An amusement ride consists of a car moving in a vertical circleon the end of a rigid boom. The radius of the circle is 10 meter.The combined weight of the car and riders is 5.0 kNewton. At thetop of the circle the car has a speed of 5.0 m/s.
four point charges of magnitude 4.7 microc are at the corners of a square of side 3 m. a find the electrostatic
A hoop is rolling without slipping along a horizontal surface with a speed of 4.50 m/s when it starts up a ramp that makes an angle of 25 degrees with the horizontal. What is the speed of the hoop
A wire having mass per unit length of 0.420 g/cm carries a 2.40 A current horizontally to the south. What are the direction and magnitude of the minimum magnetic field
A 5.20 microFarad parallel-plate air capacitor has a plate separation of 5.00mm, Calculate the energy density in the region between the plates, in units of J/m^3
Consider a tiny bead of mass 10-6 g on a short wire of length 10-6 m as equivalent to the quantum model of ‘particle in a box
at a certain point in a horizontal pipeline the waters speed is 3.50ms and the gauge pressure is 1.80times104 pa .part
An 85 mH solenoid inductor is wound on a form 0.80 m in length and 0.10 m in diameter. At the given instant, the induced emf in the solenoid is closest to
An archer shoots an arrow toward a 300 g target that is sliding in her direction at a speed of 2.30 m/son a smooth, slippery surface. The 22.5 g arrow is shot with a speed of 37.0 m/s and passes during the target, which is stopped with the impact. Wh..
A 12.0 kilogram shell is launched at an angle of 55o above the horizon with an initial velocity of 150 m/s. obtain how much energy was released by the explosion
Two bumper cars are driving directly toward one another. The first car, mass m1 = 150 kg, What is the total momentum of the system
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