Answers: 2
Physics, 21.06.2019 21:00
Iron reacts with sulfur to form iron sulfide. if 60 grams of iron reacts with sulfur to produce 90 grams of iron sulfide, how much sulfur has been used in the chemical reaction?
Answers: 3
Physics, 22.06.2019 04:00
All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction
Answers: 2
Physics, 22.06.2019 14:00
Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
Answers: 1
Physics, 22.06.2019 14:20
How many atoms of nitrogen are in the chemical formula ni(w on
Answers: 1
Ahydrogen atom has a diameter of about 10nm...
Biology, 01.12.2020 22:20
History, 01.12.2020 22:20
History, 01.12.2020 22:20
Mathematics, 01.12.2020 22:20
History, 01.12.2020 22:20
Mathematics, 01.12.2020 22:20
Mathematics, 01.12.2020 22:20
Mathematics, 01.12.2020 22:20
French, 01.12.2020 22:20
Mathematics, 01.12.2020 22:20