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A student calculates the acceleration due to gravity and determine it to be 9.72 m/s2. What is his percent error, if the accepted value is 9.81 m/s2? Q. You estimate that the maximum error of an equal-arm balance is 0.01 g. What is the possible percent error when you use this balance to calculate each of the following masses?
(a) 700 g
(b) 3 kg
(c) 20 g
(d) 1.0 g
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?
Refractive Astronomical Telescope: It is an optical instrument which is used to see heavenly bodies such as stars, moon and planets is known as telescope. Astronomical teles
Q. Select the pairs of isotopes, isobars and isotones from the following nuclei: 11 Na 22 , 12 Mg 24 , 11 Na 24 , 10 Ne 23 Isotopes are 11 Na 22 , 11
Why can''t an alpha particle touch the periphery of nucleus?
(i) Lead balls are spherical in shape. (ii) Rain leaves and a globule of mercury placed on glass plate are spherical. (iii) Hair of shaving painting brush, when goes in wate
Equatorial Line and Neutral point: Equatorial Line: The imaginary line joining the centre of mass and perpendicular to the line joining the poles of a bar magnet is called th
A 50 newton light fixture is supported by two guy wires as shown. Determine the tension in each wire
if length changes then there is change in the time period how to solve these questions regards
What are the safety terms to be inspected on wiring? Ans: Safety terms to be checked on wiring are securing of wiring through cleats with trough provision of correct size of
A small bucket of mass M kg is attached to a long inextensible cord of length L m. The bucket is released when the cord is in horizontal position. At its lowest point the bucket sc
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