A pole 25m long is placed against a vertical wall such that its lower end is 7m from the foot of the wall on the same horizontal ground. If the upper end of the pole is push down by 2m, calculate correct to 2 significant figure: 1) how much further away from the wall the lower end will move; 2) the angle of the pole now makes with the horizontal.

Question

A pole 25m long is placed against a vertical wall such that its lower end is 7m from the foot of the wall on the same horizontal ground. If the upper end of the pole is push down by 2m, calculate correct to 2 significant figure:        1) how much further away from the wall the lower end will move;                          2) the angle of the pole now makes with the horizontal.

Courage · Accepted Answer

A pole 25cm long is placed against a vertical wall such that its lower end is 7cm from the foot of the wall on the same horizontal ground. If the upper end of the pole is pushed downward by 2cm,calculate to two significant figure: 1)How much further away from the wall the lower end will move:2)The angle the pole now makes with the horizontal.

bobpursley · Answer

25^2=base^2+vertical^2 on the fist position, calculate the vertical distance up the wall. Then subtract 2m, then recalculate the new base.

Anonymous · Answer

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Judith · Answer

I want a solution

Courage · Answer

I don't have any idea so help me out