Physics, 14.09.2019 06:30 alyssawilliams4
Achild slides down a hill on a toboggan with an acceleration of 1.8 m/s^2. if she starts at rest, how far has she traveled in : (a) 1.0 s, (b) 2.0 s, and (c) 3.0 s?
Answers: 2
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How much work does the charge escalator do to move 2.30 μc of charge from the negative terminal to the positive terminal of a 3.00 v battery?
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The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?
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If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.
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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
Achild slides down a hill on a toboggan with an acceleration of 1.8 m/s^2. if she starts at rest, ho...
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