Group of students is investigating whether the force of friction depends on the nature of the surfaces in contact. The students push two pieces of wood each with the same force on a table. One piece of wood is smooth and the other is rough. The distance traveled by each piece of wood is shown.
Experimental Observations
Student 1Student 2Student 3Student 4
Distance traveled by smooth piece of wood20 cm18 cm16 cm19 cm
Distance traveled by rough piece of wood15 cm12 cm10 cm11 cm
What was the outcome variable (dependent variable) in this experiment?
Group of answer choices
Distance traveled
Smooth wood
Rough wood
Number of students
Answers: 2
Chemistry, 22.06.2019 08:00, flakko1899
An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
Answers: 1
Chemistry, 22.06.2019 15:30, dylannhandy
Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.
Answers: 2
Group of students is investigating whether the force of friction depends on the nature of the surfac...
Biology, 23.08.2019 11:00
Biology, 23.08.2019 11:00
Mathematics, 23.08.2019 11:00
Biology, 23.08.2019 11:00
Social Studies, 23.08.2019 11:00