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A simple microscope is formed by placing an object 40cm away from an f=20cm objective lens, which is placed 50cm from the f=10cm eyepiece lens. Will the image observed be right way up (same orientation as the object), inside out or upside down?What happens to the orientation of the image if the distance between the objective lens and the eyepiece is increased?
An electron is placed at the origin of a coordinate system O, close to the surface of the Earth. A second electron is placed on the Y-axis at coordinate y so that the electrostatic force on the electron at the origin balances the gravitational force...
question two square oppositely charged conducting plates measure 33 cm on each side. they are placed close together and
A 30 ohm resistor has a voltage difference of 3 volts across its leads. What is the power being dissapated in the resistor
A rigid conducting loop has the shape of an equilateral triangle with sides a = 42 cm. Each side of the loop has a resistance of R = 3 W. An exterior torque forces the loop to rotate at constant speed at an angular rate of 7 cycles per second about i..
Two railroad cars, each of mass 6500kg and traveling 94 km/h in oppositedirections, collide head-on and come to rest. How much thermal energy is produced in this collision
A spacecraft has a nonrelativistic (or classical) momentum whose magnitude is 1.4×1014 kg·m/s. Find the relativistic momentum of the spacecraft
A 535 kg automobile slides across an icy street at a speed of 54.5 km/h, What is the speed of the two cars just after they collide
The magnetic flux through a coil of wire containing two loops changes from -23Wb to +33Wb in 0.57s. What is the emf induced in the coil
A person (body mass=72 kg) is taking off for a long jump. Ground reaction forces Fg,x = 250 N and Fg,z = 900 N. Calculate the resultant ground reaction force
What is the work done on the system by the external force? What is the work done by the field on the particle? What is the change in the potential energy of the system?
ski jumper leaves the ski track moving at 25 m/s. The landing incline below her falls off with a slope of 33 degrees. How long is the ski jumper in the air
A person is riding a bicycle, and its wheels have an angularvelocity of +20.5rad/s. How much time does it take for the bike tocome to rest
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