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how did the distance of the sensor from the electromagnet affect the reading on the sensor?
A piano mover pushes a piano (m = 275 kg) with an applied horizontal of 1075 N. This causes the piano to accelerate, from rest, to a final velocity of 0.92 m/s over a time of 5.0 s. Calculate:
a) The acceleration of the piano.
b) The net force acting on the piano.
c) The normal force acting on the piano.
d) The coefficient of kinetic friction between the piano and the floor.
An office worker attempts to move a filing cabinet (m = 48 kg). The coefficient of static friction between the floor and the filing cabinet is 0.53.
a) Calculate the normal force acting on the filing cabinet.
b) Calculate the minimum horizontal force that the office worker must apply to the filing
cabinet to JUST move it.
A dielectric of dielectric constant 5.0 is filled in the gap between the plates of a capacitor.calculate the factor by which the capacitance is increased,if the dielectric is only sufficient to fill up 1/5 of the gap.
A non conducting solid sphere of radius 2.0m carrying net positive charge 20nC. Enclosed by a concentric non conducting thin spherical shell of radius 4.0m carrying net negative charge 25nC. Determine the electric fields at the distance of 1.0m,3.0m,and 10.0m respectively from the centre of the sphere
Given that when the car and the carriage are moving at 6m/s , the engine is working at 14.28KW, find
(a) the acceleration of the car
(b) the tension in the tow-bar
Define electric displacement vector D vector and deduce Gauss's law for dielectrics
Using Maxwell's equation in vacuum, derive the wave equation for the x-component of the electric field vector associated with an electromagnetic wave
(a) the acceleration of the system and the tension in the string
(b) the magnitude of the reaction force exerted by the string on the pulley.
#340153 on Dec 2023