Physics, 08.12.2020 20:40 tilly40oooo
Why is copper a pure substance? A. Because it is an element B. Because it is a compound C. Because it is a homogenous mixture
Answers: 2
Physics, 22.06.2019 14:00, batmanmarie2004
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 15:50, bapefer498
Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?
Answers: 2
Why is copper a pure substance? A. Because it is an element B. Because it is a compound C. Because i...
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