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Assume you can count the number of oscillations without error, and that the time is measured to the nearest tenth of a second.

Suppose the true but unknown period is 2 seconds. On a single oscillation, you could measure the time as anything from 1.95 to 2.05 seconds - a maximum error of 0.5 seconds which represents a 2.5% error.

On ten oscillations your measurement should be between 19.95 to 20.05 seconds. Still a maximum error of 0.05 seconds in the total time, but the estimate for the period is now 1.995 to 2.005 seconds - an error of 0.005 seconds or 0.25%.

Q: Why does it lmprove accuracy of measuring the period if you time 10 oscillations and divide by 10 rather than timing one oscillation when conducting the pendulumn experiment?

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Through understanding of the theory of the experiment, and of appropriate experimental techniques. Methodical approach. Care in measuring, including calibration of measuring-instruments when necessary. Repeatability - possibly many times if obtaining precise measurements is difficult, with those difficulties identified and understood. Careful analysis of the results to identify any misleading values.

You apply a measuring stick or a measuring tape.You apply a measuring stick or a measuring tape.You apply a measuring stick or a measuring tape.You apply a measuring stick or a measuring tape.

You need different tools these measurements. For mass you want a scale or balance. You can only use the same tool for length and volume (a ruler, caliper or similar) if the object you are measuring is a well defined solid with known geometric shape. Otherwise you will have to perform a measuring experiment for example put the object you want to determine the volume of in a graduated cylinder, pour a known volume of liquid into the cylinder, read the volume and subtract to determine the object's volume.

A piece of string and a ruler or tape measure.

There are many instruments for measuring speed but I am not aware of any for measuring velocity.

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Baryon acoustic oscillations are sound waves that traveled through the early universe, leaving behind a pattern of baryon (normal matter) density fluctuations. These fluctuations are observed in the distribution of galaxies and provide a standard ruler for measuring the expansion rate of the universe. Baryon acoustic oscillations are a key tool for studying the large-scale structure of the cosmos and probing the nature of dark energy.

100% - 40% = 60% are not.

Dependent variable!!

Yes, it is important to have accurate measurements in an experiment because they can directly impact the validity and reliability of the results. Inaccurate measurements can lead to flawed conclusions and unreliable data. Using precise measuring instruments and techniques helps ensure the quality of the experiment.

The easiest experiment to measure gravitational field strength is to use a simple pendulum. By measuring the period of oscillation of the pendulum, you can calculate the gravitational field strength based on the known length of the pendulum and the formula for the period of a simple pendulum.

dependent variable is what you are measuring in an science experiment

Measuring how heavy an object is compared to another object.

Depending on what you were measuring and the experiment you were conducting a scientist could use a variety of different instruments, including; - Thermometer - Temperature - Measuring Cylinder - for measuring the amount of a Liquid - Scales - For measuring the mass of a solid - Measuring Pipette - amount of a liquid - Burette - amount of a Liquid during titration - Infra Red Spectroscopy - Molecular mass of a Molecule - Nuclear Magnetic Resonance (NMR) - structure, dynamics, reaction state and chemical environment of molecules There are more but these are just a few examples.

they're measuring differences in oscillation, so they probably want a -12 and +12 swing with 0 as the base line

In an experiment, you are measuring the effect or outcome of the variables you are testing. This could be changes in the dependent variable as a result of manipulating the independent variable, or any other specific attribute or data point you are interested in analyzing. The key is to have a clear and measurable outcome to draw conclusions from your experiment.

Some precautions to consider in a specific heat capacity experiment include ensuring proper insulation to minimize heat loss, using accurate measuring instruments to determine mass and temperature changes, and conducting the experiment in a controlled environment to avoid external influences on the results. Additionally, it's important to handle hot objects with care and follow appropriate safety protocols when working with heat sources.

The value of gravity can be determined using a pendulum by measuring the period of oscillation of the pendulum and using the formula: g = 4π²L / T² where g is the acceleration due to gravity, L is the length of the pendulum, and T is the period of oscillation. By measuring the period and length of the pendulum, you can calculate the value of gravity.