Physics, 29.02.2020 01:59 curlyloo01
At a certain distance, the sound intensity level of a dog's bark is 59 dB. At that same distance, the sound intensity of a rock concert is twenty thousand times that of the dog's bark. What is the sound intensity level of the rock concert
Answers: 3
Physics, 22.06.2019 03:00
1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of
Answers: 2
Physics, 22.06.2019 08:00
While studying chemical reactions and conservation of matter, sarah's class conducted a variety of experiments. sarah and her lab partner found the mass of a wax candle and placed the candle in a flask. the students lit the candle and let it burn to completion. all that was left was wax and charred candle wick. per their teacher's instructions, the students found the mass of the products. their data can be seen in the data table. formulate a hypothesis the students could test to explain why the experiment did not support the law of conservation of matter. a) the students could repeat the experiment using different candles; there might have been a flaw in the candle. b) the experiment should be repeatable. the students should run several trials and then take an average of the after mass in each trial. c) the students should have someone in the class check their measurement skills as they repeat the experiment. they may have made an error using the balance. d) the students should burn the candle in a container that has some type of lid so that any gas that is a product of the reaction can be contained and massed. submit
Answers: 2
Physics, 22.06.2019 11:00
If a simple machine reduces the strength of a force, what must be increased?
Answers: 3
At a certain distance, the sound intensity level of a dog's bark is 59 dB. At that same distance, th...
English, 25.07.2020 23:01
Mathematics, 25.07.2020 23:01
Computers and Technology, 25.07.2020 23:01