Posts by Shelle

Total # Posts: 8

PHYSICS
i have no answers for this question.so help me please!please DAMON please help me.

Physics
help me to my homework please.!PLEASe PLEASE. TRUE or FALSE 1.the north pole of a permanent magnet is attracted to a south pole 2.iron,aluminum, and nickel are all ferromagnetic materials 3.all permanent magnets are surrounded by a magnetic field 4.the direction of a magnetic ...

Physics
PLEASE HELP ME.to answer this question please!!!

Physics
anybody help me to my homework please.!thanks TRUE or FALSE 1.the north pole of a permanent magnet is attracted to a south pole 2.iron,aluminum, and nickel are all ferromagnetic materials 3.all permanent magnets are surrounded by a magnetic field 4.the direction of a magnetic ...

chemistry
How much heat (in Joules) is gained by the water when a chemical reaction takes place in 100.0 ml aqueous solution, has a temperature increase of 10.20°C and a specific heat capacity of 4.180 J/°Cg? [Hint: ignore any effects of the calorimeter and solve for qwater]

Statistics
The mean of a data set is 23 and 12.6. The z-score is -1.30. What is the standard deviation?

science
Explain how the energy (total, kinetic or potential) will change when you let an object to free-fall from the top of a building

Economics
Beachfront resorts have inelastic supply, and automobiles have an elastic supply. Suppose that a rise in population doubles the demand for both products (that is, the quantity demanded at each price is twice what it was). a. What happens to the equilibrium price and quantity ...