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Power
A contractor wishes to lift a load of bricks from the sidewalk to the top of a building by means of a winch. Since we know the expression for work, we can calculate work to be done by the force applied by the winch to lift the load. We are interested in the rate at which it is done, that ..
A contractor wishes to lift a load of bricks from the sidewalk to the top of a building by means of a winch. Since we know the expression for work, we can calculate work to be done by the force applied by the winch to lift the load. We are interested in the rate at which it is done, that ..Abbreviations in powers of 10 (used in SI units)
.e., Le systeme internationale d' unites, is a new, comprehensive and rationalised system of units, accepted by the 11 t h conference of weights and measures in 1960. It is used in science and technology all over the world, because of the following advantages over others. The units are mo..
Electric Power
Power is the rate of doing work or in other words, it is the work done in one second. If a current of 'I' amperes flows through a conductor of resistance 'R' ohm for a time 't' seconds when the potential difference across its ends is 'V' volt, then the electric power consumed P..
Power is the rate of doing work or in other words, it is the work done in one second. If a current of 'I' amperes flows through a conductor of resistance 'R' ohm for a time 't' seconds when the potential difference across its ends is 'V' volt, then the electric power consumed P..Electric Power
Electric Power - The power is the rate of doing work or in other words, it is the work done in one second. If a current of 'I' amperes flow through a conductor of resistance 'R' ohm for a time 't' seconds when the potential difference across its ends is 'V' volt, then the electr..
Electric Power - The power is the rate of doing work or in other words, it is the work done in one second. If a current of 'I' amperes flow through a conductor of resistance 'R' ohm for a time 't' seconds when the potential difference across its ends is 'V' volt, then the electr..Magnifying Power of a Simple Microscope
But OB 1 = Least distance of distinct vision from the lens or eye = D OB = u = distance between the lens and the obje..
But OB 1 = Least distance of distinct vision from the lens or eye = D OB = u = distance between the lens and the obje..Some rules on the use of SI units
While writing a unit, only its singular form is used. The abbreviation does not have a full stop. The sign of degree ( o ) is omitted when Kelvin scale is used. Unit combinations should be indicated by means of either a dot or leaving space in between. Metre Kelvin ..
Express (84)6 as a single power of the base.
Express (8 4 ) 6 as a single power of the base. => 8 12 or 8 24 or 8 10 or 8 32..
Write the expression 8 × 8 × 8 × 8 using a single ex..
Write the expression 8 × 8 × 8 × 8 using a single exponent. => 8 4 or 8 3 or 9 4 or 9 3..
A random sample of the daily amount of fuel (in litres) used for runni..
A random sample of the daily amount of fuel (in litres) used for running power and heating systems in a manufacturing unit is listed here. Estimate the mean fuel consumption with 90% confidence. => 974.6 < μ < 1233.7 or 1084.8 < μ < 1123.6 o..
Write the expression (-6)6× (-6)7 as a single power of the base.
Write the expression (-6) 6 × (-6) 7 as a single power of the base. => (-6) 15 or (-6) 12 or (-6) 13 or (-6) 14..
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