Wednesday
October 22, 2014

Posts by Gilbert


Total # Posts: 20

math
Is 3/7 greater or less than 15/56
September 25, 2014

electrical circuit
i've gotten (a) 0.72 to 1.6 amp; (b)17.7 ohms
August 24, 2014

electrical circuit
A 72-ohm coil of wire is connected in series with an adjustable resistor (rheostat) whose resistance can be varied from 0 to 88 ohms. If the line potential is 115 volts, calculate (a) the range through which the coil current can be varied, (b) the rheostat resistance when the ...
August 24, 2014

Physics
A car of mass 1900kgs accelerates from rest to a speed of 27ms-1 in 8.1s.Calculate the average rate at which kinetic energy is supplied to the car during the acceleration.
March 15, 2014

WTI
1LB of ice at 20 deg f exerts its force downward. after the ice has absorbed 200 BTU's what direction will the force be exerted? After absorbing 2000 BTU's what direction will the force be exerted?
March 23, 2013

Probabilty
Biased coin has a 0.4 probability of landing on tails. The random variable x, based on a single toss of the coin, is defined as follows: x=0 if heads appears; x=1 if tails appears. What Is the mean value of X? Is it . 0.3 .4 .6 .5 .7
November 28, 2012

Calculus
What is the sum of all the odd #s between 100 & 200??
November 28, 2012

German
So, although my German is rather rusty, here is what I can do; Mein guter Freund heißt Meaghan. Sie ist intelligent und freundlich kleinen tolerant. Sie hat lange blonde Haare. Sie spricht und liest Spanisch. Ich gehe mit Freunden herumhägen das Wochenende. Meaghan ...
October 24, 2012

math
a spinner with 8 sections has 2 blue and 1 yellow section. What 's the (p) of one spin landing on blue and one spin landing on yellow. The answer is 1/16 Why?
January 27, 2012

math
if Charlie earns 3/4 of what joan earns. and together they earn 490.00 a week. How much does charlie make?
October 4, 2011

Water at the top of Niagara Falls has a temperatur
physics
February 15, 2011

physics
The frequency of vibration of an object-spring system is 8.00 Hz when a 3.00 g mass is attached to the spring. What is the force constant of the spring?
February 2, 2011

physics
A phone cord is 4.75 m long. The cord has a mass of 0.200 kg. A transverse wave pulse is produced by plucking one end of the taut cord. The pulse makes four trips down and back along the cord in 0.900 s. What is the tension in the cord?
February 1, 2011

physics
A phone cord is 4.75 m long. The cord has a mass of 0.200 kg. A transverse wave pulse is produced by plucking one end of the taut cord. The pulse makes four trips down and back along the cord in 0.900 s. What is the tension in the cord?
February 1, 2011

physics
A cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength of 7.30 cm. If the cork is 12.0 m from shore, how long does it take a ripple passing the cork to reach the shore?
January 30, 2011

math
how mant 5ths are in the number 1
January 2, 2011

science
Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard learning session in ...
August 26, 2010

Literary Analysis and Composition
Works such as "To Build a Fire" gave Naturalist writers such as Jack London a platform to argue that
January 21, 2010

8th Grade Science
AT +04C
April 1, 2009

chemistry
Woiuld you expect jewelry made from an alloy of silver and copper to tarnish (oxidize) in a laboratory where fumes of bromine are present? I think that it wouldn't because the bromine fumes are probably not ions, and even if they were they would not react because they are ...
February 11, 2008

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