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An insect that is 5.90 mm long is placed 11.5 cm from a converging lens with a focal length of 12.0 cm.
The position of the image is 276 cm from the lens and the size of the image is 141.6 mm.
What is the angular magnification if the lens is close to the eye? (Suppose the user's near point to be 25cm.)
An electron, starting from rest, is accelerated during a potential dissimilarity and ends up with a de Broglie wavelength of 1.12×10−10 m. What potential dissimilarity is needed to accomplish this?
A coil of wire containing N turns is in an external magnetic field that is perpendicular to the plane of the coil and it steadily changing, what will be the induced emf in the coil
A highway is to be built between two towns, one of which lies 50.0 km south and 82.0 km west of the other. find at what angle would this highway be directed
a piano has been pushed to the top of the ramp at the back of a moving van. the workers think it is safe but as they
An object initially at rest experiences an acceleration of1.7m/s2 for 7.0s and then travels at that constantvelocity for another 7.0s. What is the objects average velocityover the 14s interval?
suppose she starts at the top of the wave with a speed of 1.7 ms and moves down the wave until her speed increases to
A heavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. When the wind blows hard, the wire hums at its fundamental frequency of 80Hz. What is the mass of the sculpture?
Two identical conducting small spheres are placed with their centers 0.395 m apart. Find the electric force exerted by one sphere on the other
question a ruby laser produces radiation of wavelength 633 nm in pulses with a duration of 1.0010-9s. if the laser
Person a is 20 ft to the right of person b. Person a recieves a ball and throws it 18.9 m away, angle of 25 degree celcius to the right horizontal, what is his average velocity(magnitude and direction) if he takes a straight path
on a factory assembly line boxes of mass 20 kg slide from rest down a frictionless incline of length 10m angled 20
A bullet with a mass m = 4.83 g and initial speed of 330 m/s passes through a wheel which is initially at rest, What is the angular speed of the wheel just after the bullet leaves it
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