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Making a simple refracting telescope
To make a simple telescope, two cardboard tubes will be needed, one fitting inside the other. It is not possible to make a satisfactory telescope unless good lenses are available, a fact which was soon discovered by early experimenters.
A linen tester (sometimes a stamp magnifier also) has lenses which are achromatic, that is corrected for colour distortion. Like lens of focal length 2 or 3 cm will provide a suitable eye-piece when mounted in a cork with a hole in it.
If a particle is projected vertically upward in a constant gravitational field with an initial speed v 0 . If there is a retarding force proportional to the square of the instantan
A 35-kg child is riding on a swing that rises to a maximum height of 0.80 m. Neglecting friction, what is the child's gravitational potential energy at the top of the swing?
experimental values
Research the topic of RLC circuits with AC sources. Explain what is given in a general problem involving a circuit and what is asked for. Explain the terms which comprise an RLC ci
defect of vision project work 8&10 pages
When a physical property such as charge exists in discrete "packets" rather than in continuous amounts, the property is said to be: a) Discontinuous b) Abrupt c)
a car of mass 800kg is pulling a trailer 300kg where sin a=1|200.Resistance to motion(apart from gravity) is 1.5N per kg of mad for each vehicle.calculate the pulls of the engine
Q. Determine the elapsed time in kinematics? Let S = 1 + c 2 + c 4 + ........ Then, S = 1 + c 2 (1 + c 2 + c 4 +.......... ) S = 1 + c 2 S so, S - c 2 S = 1
what happens when a melt caontaining 1%ag with 99%pb
IMPULSE: When a force acts on a body for a very short time, the product of the force and the time for which the force acts, is called the impulse or impulse of force".
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