Friday
August 1, 2014

Posts by Gilbert


Total # Posts: 17

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.

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?

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

Calculus
What is the sum of all the odd #s between 100 & 200??

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 ...

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?

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

Water at the top of Niagara Falls has a temperatur
physics

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?

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?

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?

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?

math
how mant 5ths are in the number 1

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 ru...

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

8th Grade Science
AT +04C

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 ...

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