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If a hiker that weighs 600 newtons climbs a 50 meter hill, how much gravitational potential energy has the hiker gained?
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Ball bearings are made by letting spherical drops of molten metal fall inside a talll tower-called a shot tower- and solidify as they fall. a-if a bearing needs 4.0 s to solidify enough for impact, how high must the tower be? b- what is the bearing's impact velocity?
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Physics, 23.06.2019 03:30
Select the correct lewis structure for fluorine which is group 7a element?
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Which type of wave has a wave perpedicular to the disturbance? mechanical surface longitudinal tran...
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