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A galvanometer with a full scale sensitivity of 500 muA and a coil resistance of 54 Omh is to be used to build an ammeter designed to read 6.5 A at full scale. What is the required shunt resistance?
A wooden block weighing 7 N is at rest on top of a wooden desk. The coefficient of static friction between the block and the desk is 0.41. Find out the minimum horizontal force required to move the block if the following occurs.
A bicyclist of mass 75 kg ( including the bicycle) can coast down a 4.0 degree hill at a constant speed of 10 km/h. Pumping hard,the cyclist can descend the hill at a speed of 30 km/h.
A 8 kg stone is dropped from a height of 170 m. Find its kinetic and potential energies when it is halfway to the ground
Explain by how much horizontal force F must a sprinter of mass 62.0 kg exert on the starting blocks to produce this acceleration?
A charge of 25 nC is uniformly distributed along a circular arc, What is the magnitude of the electric field at the center of the circle along with the arc lies
asssume that in a particular vacuum tube the potential of the anode is 340 V higher than that of the cathode. If an electron leaves the surface of the cathode with zero initial speed, what is its speed when it strikes the anode.
De Broglie postulated that the relationship ? = h/p is valid for relativistic particles. What is the de Broglie wavelength for a (relativistic) electron
What is the magnitude of the acceleration of a modified Atwood machine if the mass of the cart is 3 kg and the hanging mass is 4 kg? (Use g = 9.8 m/s2. Express your answer to one decimal point.)
Find out the electric field at radius
the magnitude of the net electric field. A lead ball is dropped into a lake from a diving board 6.40 above the water. After entering the water, it sinks to the bottom with a constant velocity equal to the velocity with which it hit the water.
She only uses the most accelerated depreciation method possible. The computer is the only personal property which she places in service during the year. Illustrate what is her total depreciation deduction for 2011?"
What mass of stone is necessary if the temperature is not to drop below 18.5°C overnight. Sunlight shining in during the daytime is absorbed by the floor, interior walls, and objects in the room, raising their temperature to 37.5°C.
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