Determine the torque relative to the origin
A block of 4.0 kg begins from rest on the positive x-axis 6.0m from the origin and after that consists of an acceleration given by a = 4.0i-3.0j in m/s^2. Determine the torque, relative to the origin, acting on it at the end of 3.0s.
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A laser beam in the air is incident on a liquid at an angle of around 38.0 degrees with respect to the normal. The angle of laser beam in the liquid is 27.0 degrees. Find out the liquid's index of refraction?
The two 10 cm diameter charged disks face one other, 23 cm apart. Both disks are charged to 80 nC. Find out the electric field strength at the mid-point among the two disks? Find out the electric field strength a point on the axis 5.0 cm from one
The coefficients of friction among A and the incline are μs = .56 and μk = .25. Angle θ is 40 degrees. Assume that the positive direction of an x axis be up the incline. In unit-vector notation, find out the acceleration of A when A is
At the large department store, the average number of years of employment for cashier is 5.7 with standard deviation of 1.8 years. If the number of years of employment at this department store is normally distributed, determine the probability that
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You are going toward the plateau 70 m high. If angle of elevation to top of plateau is 25 degrees, how far are you from base of plateau?
In determining the sample size necessary to estimate a population proportion, which of the following information is not needed?
In sample of 800 students in university, 360, or 45%, live in the dormitories. The 45% is an example of
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