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(a) What magnification is produced by a 0.150 cm focal length microscope objective that is 0.175 cm from the object being viewed?
(b) What is the overall magnification if an eyepiece that produces a magnification of 7.90x is used?
(c) Jupiter subtends an angle of 1.67 x 10-4 rad when viewed by the unaided eye and 3.25 x 10-2 rad when viewed through an astronomical telescope that has a 0.035-m focal length eyepiece. Determine the focal length of the telescope's objective lens.
An electric clock is hanging on the wall in the living room. what is the direction of the angular acceleration of the second hand
A bowling ball weighing 70.1N is attached to the ceiling by arope of length 3.70m. What is the tension in the rope at this instant
By how much does the ball clear the top of the wall? What is the magnitude and direction of the ball's velocity at the instant it passes over the wall?
We are centrifuging a collection of particles with diameter 150 nm and average density of 1.10 g/cm3 through a water solution with density 1.0 c/cm3 at 20,000 rpm. What is the particle's terminal velocity
A car traveling 50.7 km/h is 21.9 m from a barrier when the driver slams on the brakes. The car hits the barrier 2.03 slater. (a) What is the car's constantdeceleration magnitude before impact? (b) How fast is the cartraveling at impact?
A moving 2.7 kg block collides with ahorizontal spring whose spring constant is 426N/m. The block compresses the spring a maximumdistance of 15.0 cm from its rest position. The coefficient of kinetic friction between the block and the horizontal s..
When the Sun is directly overhead, a hawk dives toward the ground with a constant velocity of 5.70 m/s at 55.0° below the horizontal
The solar panels on the roof of a house measure 4.0 m by 5.2 m. Assume they convert 12% of the incident EM wave's energy to electrical energy. What average power do the panels supply when the incident intensity is 1.0 kW/m2 and the panels are perpe..
An ice-making machine inside a refrigerator operates in a Carnot cycle. It takes heat from liquid water at 0.0 degrees Celsius, How much heat |Q_H| is rejected to the room
As a spaceship flies past with speed , you observe that 1.0000 s elapses on the ship's clock in the same time that 1.0000 min elapses on Earth. How fast is the ship traveling, relative to the Earth
A wrench is used to tighten a nut. A force of 15 N is applied a distance 8.0 cm from the axis of rotation of the nut; the lever arm is 8.0 cm long
A long, straight wire carrying a current of 2.00 A is placedalong the axis of a cylinder or radius 0.500 m and a length of 3.00m. Determine the total magnetic flux through the cylinder
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