Physics
Physics, 06.05.2020 08:29, vanleervanleer

A 2.2kg toy train is confined to roll along a straight, frictionless track parallel to the x-axis. The train starts at the origin moving at a speed of 1.6m/s in the +x direction, and continues until it reaches a position 7.5m down the track from where it started. During its Journey, it experiences a force pointing in the same direction as the vector 0.61 + 0.81, with magnitude initially 2.8N and decreasing linearly with its x-position to 0 N when the train has finished its journey. a. Calculate the work done by this force over the entire journey of the train. b. Find the speed of the train at the end of its journey.

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A 2.2kg toy train is confined to roll along a straight, frictionless track parallel to the x-axis. T...

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