1. If friction is ignored, the time, t (in seconds) required for a block to slide down an inclined plane is given by the function: f (e) = 2a gcos (e) sin (e) 90 where a is the length of the base (in feet) and g= 32 is the acceleration due to gravity. How long will a block need to slide the inclined plane with base a=12.5feet when: 20

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