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1ml of distilled water is injected into a length of 3mm diametre tubing and sealed at the other end by folding over and clamping so 1 metre of tubing is occupied by water and trapped air. The tube is pinned to a wall so it hangs vertically nwith the 1ml of water at the bottom end. Why doesn't water drain out when the tube is hung vertically? Is it a stable configuration?
A laser beam aimed from the earth is swept across the face of the moon. what is the angle of divergence of the laser beam
A standard baseball has a circumference of approximately 23 cm. If a baseball had the same mass per unit volume as a neutron or a proton, about what would its mass be?
The ends of two thin glass tubes are stuck in the same pool of water. Although both tubes are thin, one tube has a smaller inside diameter (Tube 1) than the other (Tube 2). Both tubes are made of the same material. Would you expect the level in Tu..
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +3q. Sphere B carries a charge of -q. Sphere C carries no net charge.
A copper cylinder and a brass cylinder are stacked end to end, as in the drawing. Find the amount by which the length of the stack decreases
A horizontal ray of light falls on a vertical plane mirror free to turn about the horizontal axis. If the mirror turns through 20o, by what angle does the reflected ray turn.
A Young's double-slit experiment is performed using light that has a wavelength of 638 nm, Calculate the angle that locates the first-order bright fringes on the screen
An ice cube sliding along the ground at 5 m/s goes off a ramp pointed straight up as shown, What is the speed of the ice cube when it comes down, just before it hits the ground
A vertical straight wire carrying an upward 24?Acurrent exerts an attractive force per unit length of 5.9×10?4N/m on a second parallel wire 7.5cm away
A tuning fork of unknown frequency is noted to be higher than one marked 512 hz and lower than one marked 1000 hz. You discover resonance points at .11 m and .53 m. Using 347 m/s for speed of sound what is the frequency of the new fork.
A good baseball pitcher can throw a baseball toward home plate at 91 miles per hour with a spin of 1789 revolutions per minute. How many revolutions does baseball make on its way to home plate? For simplicity, assume that the 60.0 ft path is a straig..
Find out an average acceleration of the motorcycle
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