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An amateur astronomer decides to build a telescope from a discarded pair of eyeglasses. One of the lenses has a refractive power of 11 diopters, while the other has a refractive power of 1.1 diopters.
(a) How far apart should the lenses be separated?
(b) What is the angular magnification of the telescope?
Vi = 10-3 m3 chamber of a gas bottle contains some argon gas (atomic weight = 0.040 kg/mole) at a pressure of 104 Pa and a temperature of 22° C. Illustrate what is the number density of atoms in this chamber?
Show that the average force exerted. What is your displacement after running 2.5 {rm km} on Strawberry Fields, 1.4 {rm km} on Penny Lane, and 4.2 {rm km} on Abbey Road.
Considered frequency and draw the nodal maps
A capacitance of is connected to an alternating emf of frequency 100 cycles/second. What is the capacitive reactance
Vectors A and B have scalar product -3.00 and their vector product has magnitude 5.00. What is the angle between these two vectors
A microscope is focused on a black dot. When a 1.15 cm-thick piece of plastic is placed over the dot, What is the index of refraction of the plastic
Two capacitors connected in parallel produce an equivalent capacitance of 40.0?F, What is the individual capacitance of each capacitor
A grocery cart is pushed along an aisle by a shopper who exerts a constant horizontal force of . The acceleration of gravity is . If all frictional forces are neglected and the cart starts from rest, illustrate what is the grocery cart’s final s..
The dipole is held perpendicular to a uniform electric field with field strength 980V/m , then released. What is the dipole's angular velocity at the instant it is aligned with the electric field?
A typical GPS (Global Positioning System) satellite orbits at an altitude of 4.40 107 m. Find the orbital period of such a satellite
Particles called ?-mesons are created by accelerator beams. If these particles travel at 2.80 ? 108 m/s and live 2.60 ? 10-8 s, how long do they live as viewed in the laboratory
A battery's potential is measured to be 9 V outside of a circuit, the battery is placed in a circuit and it delivers 0.2 A of current. compute the internal resistance of the battery
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