Asked by Anonymous
block slides across table with initial speed of 8 m/s coefficient of friction between block and table is .5 and table is 4 m long and 1.2 m high determine how far the block lands from the base of the table
Answers
Answered by
bobpursley
ok, first you are looking for the horizontal velocity at the end of table.
KEfinal=KEinitial-mu*mg*distance
vf^2=vi^2-2*.5)9.8*4
compute vf.
Now, knowing the height of the table, compute iime in air.
1.2=1/2 g t^2 solve for time in air t.
horizontal distance=vf*t
KEfinal=KEinitial-mu*mg*distance
vf^2=vi^2-2*.5)9.8*4
compute vf.
Now, knowing the height of the table, compute iime in air.
1.2=1/2 g t^2 solve for time in air t.
horizontal distance=vf*t
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