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A laser beam of diameter d1 = 1.1 mm is directed along the optical axis of a thin lens of focal length +6.0 cm (see figure below).
1) How far from the lens will the beam be focused?
2) A second positive lens is placed to the right of the first. Light emerges from the second lens in a parallel beam of diameter d2 = 3.9 mm. Thus the combination of lenses acts as a beam expander. Find the focal length of the second lens.
3) Find the distance between the lenses.
Assume now that the angular velocity of the tire, which continues to roll without slipping, is not constant, but rather that the tire accelerates with constant angular acceleration α. Find αx, the linear acceleration of the tire. Express your answe..
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A wheel of radius 30 cm is rotating at a rate of 2.0 revolutions every 0.080 s. What is the wheel's frequency of rotation
Two forces are applied to a car in an effort to move it.F1=450N (10 degrees from x)and F2=400N (30 degrees from x). what magnitude acceleration does it have
A supersonic jet passes directly overhead at an altitude of 11,585 m, traveling at 680 m/s, or mach 2. How much time elapses before you hear the sonic boom
A flagpole consists of a flexible, 2.89 m tall fiberglass pole planted in concrete. What is the lowest frequency standing wave that can be formed
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There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. The intensity level of these sounds can reach103dB, measured a distance of4.5m from the source. Determine the ..
A 120-V motor has mechanical power output of 3.00 hp. It is 88.0% efficient in converting power that it takes in by electrical transmission into mechanical power. Find the current in the motor
A beam of light in air is incident on the surface of a rectangular block of clear plastic (n = 1.63). Its velocity inside the block is what percentage of the speed of light in air
An object moves with constant acceleration 4.35 m/s2 and over a time interval reaches a final velocity of 11.0 m/s. What is the distance it travels during this interval
One can not align the apparatus to eliminate entirely the effects of the Earth's magnetic field. calculate the component of the earth magnetic field perpendicular to the entering electron beam
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