Physics, 03.10.2019 01:10, awarnk

Tracy and eric are timing how fast marbles roll down an inclined plane. they plan to do this 5 times, and then take the average time for their results. what would be best way to improve the accuracy of their data?

a. include marbles of three different colors
b. include the average of 20 trials down the inclined plane
c. use marbles of ten densities
d. use toy cars instead of marbles

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 22:30, nuhaminbruk

Ann walks 80 meters on a straight line 33 ∘ north of east starting at point 1. draw ann's path. represent ann's walk with a vector of length 80 meters. draw the vector starting at point 1. the length given in the display is in meters.

Answers: 1

continue

Physics, 22.06.2019 00:30, aseel667789

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine

Answers: 1

continue

Physics, 22.06.2019 09:00, montgomeryaevans

This is really important 1.which of the following prefixes represents the largest value? (2 points)gigahectorkilomilli2.which of the following types of graphs is best for plotting the mean, median, and mode of data? (2 points)bar graphbox-and-whiskercircle graphstem-and-leaf

Answers: 1

continue

Physics, 22.06.2019 10:00, Trinhphuongtran

One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?

Answers: 2

continue

Do you know the correct answer?

Tracy and eric are timing how fast marbles roll down an inclined plane. they plan to do this 5 times...