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How long must a wire be to reach from the top of a 13 meter telephone pole to a point on the ground 9 meter from the foot of the pole?
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What would be the change for a 10 gram object dropped from a 20 meter building if it takes 2 seconds to reach the ground?
There is no reason for the object to change.
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The ball which you drop from 5 feet will reach the ground first.
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How long must a wire be to reach from the top of a 13 meter telephone pole to a point on the ground 9 meters from the foot of the pole?
15.80 meters
How long must a wire be to reach the top of a 13 meter telephone pole to a point on the ground 9 meters from the foot of the pole?
Use Pythagorean formula to solve: a2 + b2 = c2 , where a & b are the legs of the right triangle & c is the hypotenuse.so, a = 13m (height of the telephone pole) & b=9 m distance from the bottom of the pole.(13)2 + (9)2 = c2169 + 81 = c2c2 = 250c = SQRT(250)c = 15.81 m
What would be the change for a 10 gram object dropped from a 20 meter building if it takes 2 seconds to reach the ground?
There is no reason for the object to change.
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Precipitation that does not reach the ground is called 'virga'. If it does reach the ground, it's called 'praecipitatio'.
Percipitation occurs at the point where?
Precipitation happens when the weight of condensed water (or ice) is sufficient to cause it to fall. It does not have to reach the ground.
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In vacuum they reach ground exactly at the same time. In a medium other than vacuum the ball will reach ground first.
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Alexander Bell invented the telephone..
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1-800-732-8238
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The ADA states: Side-reach Telephone: The Maximum height is 54". If side-reach Occurs over an obstruction 24" wide and 34" high, the maximum height allowed is 46" Forward-reach Telephone: The maximum Height allowed is 48". If forward-reach Occurs over an obstruction 20"to 25", the maximum height allowed is 44"
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