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A microscope with a magnification of 1000 using a converging lens with a focal distance of 1.5 cm for the objective. The tube length given to you is 30 cm long. What should the focal distance of the eyepiece be if you want the eyes to be relaxed while observing with this microscope? let a near point of 25 cm.
An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate, What is the kinetic energy of the electron just as it reaches the positive plate
Find out kinetic energy of the merry-go-round
Disk 1 has a radius of 5 cm and mass of 1 kg it spins at an angular velocity of 2 rad/s a second disk is dropped on top of disk 1. what was the mass of the second disk
A 10.0 g lead bullet at 23 degrees C slames into a stone wall. Assuming no loss of energy to the environment, how fast must the bullet be traveling
A curve in a highway has radius of curvature 110 m and is banked at 3.4°. On a day when the road is icy, what is the safest speed to go around the curve
what us the potential energy (ft-lb) of the aircarft after climbing out to 10000ft with the new weight at 290,000
Two point charges q and 4q are at x=0 and x=L, respectively, and free to move. A third charge is placed so that the entire three-charge system is in static equilibrium. What is the magnitude of the third charge
Peter, a 100kg basketball player, lands on his feet after completing a slam dunk and then immediately jumps up again to celebrate his basket. What is the impulse exerted on Peter during this 0.50s
An ?-particle has a charge of +2e and a mass of 6.64 × 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.75 × 106 V, what are the radius of its circular path
A 5.00 kg block carrying a charge Q=60.0?C is connected to a spring for which k=100N/m (see diagram below). The block lies on a frictionless horizontal track, What is the equilibrium position of the block
Twenty particles, each of mass m0 and confined to a volume V, have various speeds: two have speed v, FIND the pressure they exert on the walls of the vessel
Sirius is about 9.0 light-years from Earth. How far is the trip according to you, To reach the star by spaceship in 16 years (ship time), how fast must you travel
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