How much horizontal distance is required for ramp
Front door to student union is 16 feet above ground, and it is reached by the flight of steps. School wishes to build the wheel-chair ramp, with the incline of 15 degrees, from ground to door. How much horizontal distance is required for ramp?
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A uniform disk turns at 1.8 about a frictionless spindle. A non-rotating rod, of the similar mass as the disk and length equivalent to the disk's diameter, is dropped onto the freely spinning disk. They then both turn around the spindle having the
Half-life of iodine-123 is about 13 hours. You start with 1424 grams of iodine-123. Write the equation which gives amount of iodine-123 remaining after t hours.
For five points, express the multinomial coefficient 10M{2,3,5} as a product of binomial coefficients. Hint: the first one is10C2. For five more points, give a general formula for calculating the multinomial coefficient nM{a,b,c,d}, where a+b+c+d=n.
The far point of a near-sighted person is 6.5 m from her eyes, and she wears contacts which facilitate her to see far-away objects clearly. A tree is 23.8 m away and 2.8 m high.
School wishes to build the wheel-chair ramp, with the incline of 15 degrees, from ground to door. How much horizontal distance is required for ramp?
Your friend consists of a near point of 121 cm, and she wears contact lenses that encompass a focal length of 37.0 cm. Explain how close can she hold a magazine and still read it clearly?
Determine the mass of solution the student should use. A chemistry student requires 75 g of thiophene for an experiment. He has available 0.50 kg of a 29.3% w/w solution of thiophene in carbon tetrachloride.
Determine the wave length of a neutron that has a velocity of 200. cm/s ( the mass of a neutron = 1.675 x 10-27kg.
At one instant, force = 7.47 N acts on the 0.191 kg object which consists of position vector of (2.97 -2.97) m and velocity vector (-5.47 + 5.47) m/s. About the origin and in unit-vector notation, determine (i) the object's angular momentum and (i
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