Physics, 17.01.2020 21:31 ayoismeisjjjjuan
Abullet is shot horizontally from shoulder height (1.5 m) with an initial speed 200 m/s. (a) how much time elapses before the bullet hits the ground? (b) how far does the bullet travel horizontally?
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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?
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Abullet is shot horizontally from shoulder height (1.5 m) with an initial speed 200 m/s. (a) how muc...
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