subject
Chemistry, 10.03.2021 14:00 mya1318

a set of pulleys is used to lift a piano weighing 500 newtons. the piano is lifted 6 meters in 30 seconds. how much power is used?

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 23:30
What is impossible to do with a hypothesis
Answers: 1
question
Chemistry, 22.06.2019 12:20
Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?
Answers: 3
question
Chemistry, 22.06.2019 18:50
Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space
Answers: 3
question
Chemistry, 23.06.2019 04:00
Achemical reaction is done in the setup shown , resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?
Answers: 2
You know the right answer?
a set of pulleys is used to lift a piano weighing 500 newtons. the piano is lifted 6 meters in 30 se...
Questions
question
Mathematics, 04.08.2019 09:30
question
Mathematics, 04.08.2019 09:30
question
Mathematics, 04.08.2019 09:30
question
Mathematics, 04.08.2019 09:30
Questions on the website: 13722367