Physics, 22.01.2020 18:31 tiahna1g

Astudent conducts an experiment to determine how the additional of salt to water affects the density of the water. the student fills 3 beakers with equal amounts of water. he then adds 1 cup of salt to the first beaker, 2 cups of salt to the second beaker and no salt to the third beaker. what is the dependent variable in the student's investigation?

the amount of salt in the water

the temperature of the water

the density of the water

the ph of the water

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 19:30, sarah8479

Note: the following questions are unrelated to the balmer series or the martian. refer to your course notes. a sun-sized star will spend most of its lifetime as a: white dwarf b. red giant c. protostar d. main-sequence star

Answers: 2

continue

Physics, 22.06.2019 01:30, kaylin28

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

Answers: 2

continue

Physics, 22.06.2019 09:00, jaeana

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Answers: 1

continue

Physics, 22.06.2019 13:50, Geo777

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination. at the turning point, how far is the second student from the destination?

Answers: 3

continue

You know the right answer?

Astudent conducts an experiment to determine how the additional of salt to water affects the density...