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Simple gears
With a hammer and a medium-sized nail, make holes in the exact centres of various used bottle caps. Straighten the edges of the caps to make them as round as possible.
Lay two of the caps on a block of wood so that the tooth such as projections meshes together. Fasten them down with carpet tacks, but make sure that they still turn simply. Turn one of the caps and note the direction that the other turns. Add a third cap and note the direction that every turns.
An object located four focal lengths in front of a thin, converging lens is moved to within two focal lengths of the lens. As a result, does the size of the image produced by
a ball is thrown upward from the top of a building 60m hign with an initial velocity of 49.0 m/s. when is the ball 78.4 meters above its starting point?
Explain the terms 'Magnetic Dip' and 'Magnetic Declination' with the help of relevant diagrams.
what is radius of curvature?
WHY Surface tension increases when an highly soluble SUBSTANCE is dissolved in water WHILE IT DECREASES WHEN an weakly soluble substance is dissolved in water
The magnetic vector potential in a specific region is a constant vector having magnitude 4πX10 5 units and points along the positive x-axis. What is the magnitude of the magnetic
What do you mean by a shunt? Reduce expressions for the current flowing through the shunt resistance and galvanometer. Describe the principle on which a transformer works. Defin
A galvanometer together with an unknown resistance in series is linked across two identical batteries each of 1.5V. whenthese batteries are connected in series the galvanometer rec
if you want to amplify input signal of +-20mV amplitude and a 100 MHz frequency,which parameters of OP-amp play a significant role? what should be the values of the parameters?just
how can we conclude whether at some time interference will take place or not with the help of the concept of temporal coherence?
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