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Find the acceleration of an object. A 10 kg box sitting on a horizontal surface is pulled by the 5N force. A 3N friction force retards the motion. What is an acceleration of the object?
Using concepts such as mass, weight, inertia, force to explain how objects of different weights fall at the same rate?
There are exactly 60 seconds in a minute, there are exactly 60minutes in an hour, there are exactly 24 hours in a mean solar day,and there are 365.24 solar days in a solar year. Find the number ofseconds in a solar year. ...
Calculate the velocity a spherical rain drop would achieve falling from 5.00 km (a) in the absence of air drag (b) with air drag. Take the size across of the drop to be 4 mm, the density to be , and the surface area to b ...
Tow masses, (m1 = 600g and m2 = 150g) are hanging from a meter stick. m1 is located at the 10cm mark and m2 is at the 7cm mark. If the center-of-mass of the combination (made up of the meter stick and the two point masse ...
An MOS transistor with an aluminum gate is fabricated on a p-type silicon substrate. The oxide thickness is t ox = 750 A, and the equivalent fixed oxide charge is Q' ss = 10 11 cm 2 . The measured threshold voltage is V ...
A beam of light originates from point P in a 3 mm thick glass block. It undergoes total internal reflection at point Q and strikes point R a distance d=5.4mm. A. If the glass block is in air, what is the glass' index of ...
Neil travelled 36km at a speed of 8km/h. Grant travelled 48km at a speed of 10km/h. Whose journey was quickest? By how many mins?
Point charges of 20.0µC and 47.0µC are placed 0.500 m apart. (a) At what point (in m) along the line connecting them is the electric field zero? (from the smaller charge) (b) What is the magnitude (in N/C) and direction ...
A balloon starts rising from ground from rest at some constant acceleration.After some time, a stone is dropped from it.If the stone reaches the ground in the same time in which balloonn reached the dropping point from g ...
A dielectric cube of side a, centered at the origin, carries a "frozen-in" polarization P = kr in which k is a constant. Find all the bound charges (volume and surface), and check that they add up to zero.
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