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Question
(a) Status Newton's First Law of motion. (b) A 2-kg object is affecting horizontally with a speed of 4 m/s. How much net force is necessary to keep object moving at this speed and in this way?
(c) An applied force of 50 N is used to speed up an object to the right across a frictional surface. The object encounters 10 N of friction. Illustrate a Free Body diagram to show forces acting upon the object of mass 8 kg and then determine the normal force, net force and the acceleration of the object. (Neglect air resistance.). Take the value of g to be 10 m/s/s.
(d) Assume that you filled a baking dish to the rim with water and walked around an oval track construction an attempt to total a lap in the least amount of time. The water would have a tendency to spill from container during specific locations on the track. In general while will the water be spilled?
A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.
What is the magnitude of the current in the wire as a function of time?
Determine the tension in each string
Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.
Phonology: All the data for this problem come from a conservative dialect of Vèneto, a Romance language spoken in northern Italy near the city of Padua.
Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.
What is the maximum displacement of the bridge deck?
Charge is distributed with constant volume density D throughout the rectangular box with length a, width b and height c.
Question: Field and force with three charges? What is the electric field at the location of Q1, due to Q 2 ?
Find the Band Structure and Band Occupancy
A dockworker applies a constant horizontal force of 84.0\({\rm N}\) to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 12.5\({\rm m}\) in a time 4.80\({\rm s}\)
Calculate the dc voltage applied to the circuit.
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