I have this old 1970's guitar, it use to be my mom's when she was nine, but it has some parts missing, (besides the fact that it NEEDS NEW STRINGS)One of the machine head is missing, and the bridge needs to be replacedhow much do you think it would cost?
There are only two variables in this experiment: (1) density of the aluminum balls and (2) buoyancyDensity may be referred to as the controlled or treatment variable, and buoyancy is the response variableThis experiment is testing a hypothesis that buoyancy is affected by the density of an objectThe null hypothesis is that buoyancy is not affected by the density of an objectIf a difference in buoyancy is found, the null hypothesis is rejected, and the experimenter concludes that density affects buoyancy.
Aluminum Foil Boat Experiment
Replacing a tuning machine is not too expensive although finding one that will match a 30+ year old guitar may be difficultReplacing a bridge is more expensive and again will depend on whether a stock bridge will work or if one needs to be crafted for your guitarProbably the two repairs will cost you around $150 if not a little moreYou did not state what kind of guitar it isIt's up to you to decide if it's really worth spending the moneyGood luck.
well, the variables are the things that change in the experiment, such as the shape of the aluminum foil, or its buoyancyNow, you can change the shape of the aluminum foil, so that variable is called the independant variableBut the buoancy of the foil filled with pennies depends on the shape of the foil, so that variable is called the dependant variableIn and experiment, you test how the independant variable affects the dependant variable.
A variable is any number in an equation that can be changedFor example 2x? the x is a variable if I say 2x10, x if 5 If you need a better understanding of the physics and Archimedes Principle, basically, the boat should have more of a bouyancy force than the ballThe ball (I'm assuming, unless you have magic foil) sinks, when it does this, it displaces its volume in waterThe buoyancy force is equal to the weight (in Newtons) of the water displacedThe floating boat will displace its weight in waterI'm also assuming that the ball has a small volumeThe floating object's displacement is also its buoyance force the buoyance force can be found by knowing the density of water, which is 1.00x10 to the third kg/m cubedMultiply that by the volume of water displaced and then multiply by g, which is gravity and is a constant of 9.8 m/s squared, of 10 m/s squared for the sake of an easy number The volume of water is the variableYou'll need to know how much water is displacedIf you weigh the water instead of getting the volume then simply take the weight of the water times g (10)This time weight is your variableWeighing the water displaced may be easier for your 5th grader I hope this helps.
