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How high is the window above the ground if a ball drops and strikes the ground 2.00 seconds later?
Wiki User
∙ 13y ago
As , s = ut + 1/2 a t2 , since a ball is dropped , the equation is modified as
h = ut + 1/2 g t2
Therefore , h = 0 x t + 1/2 x 9.8 x 22 [ u = 0 ,since the ball is at rest]
h = 19.6 meters
Height of the window = 19.6 meters
Wiki User
∙ 13y ago
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A ball dropped from a window strikes the ground 2.00 seconds later how high is the window above the ground?
As , s = ut + 1/2 a t2 , since a ball is dropped , the equation is modified as h = ut + 1/2 g t2 Therefore , h = 0 x t + 1/2 x 9.8 x 22 [ u = 0 ,since the ball is at rest] h = 19.6 meters Height of the window = 19.6 meters
A boy is throwing a stone at a girl's window 3m high 10 meters from the house If the stone is thrown at 15ms at an angle of 31 degrees to the ground will he hit the window?
We need 1 more piece of information, the size of the window. I will be treating the window as 1 m tall. So the window is 2.5 meters off the throwing plane (the bottom of the window) to 3.5 meters off the throwing plane (top of the window). I am also assuming that the window's height is based on how high it is above the throwing plane of your arm (if that is the height off the ground, we also need to know how tall you are). The rock will hit 2.676 meters above the throwing plane so it will hit the bottom portion of the window (as seeing as the window goes from 2.5 meters to 3.5 meters).
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A ball dropped from a window strikes the ground 2.00 seconds later how high is the window above the ground?
As , s = ut + 1/2 a t2 , since a ball is dropped , the equation is modified as h = ut + 1/2 g t2 Therefore , h = 0 x t + 1/2 x 9.8 x 22 [ u = 0 ,since the ball is at rest] h = 19.6 meters Height of the window = 19.6 meters
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A boy is throwing a stone at a girl's window 3m high 10 meters from the house If the stone is thrown at 15ms at an angle of 31 degrees to the ground will he hit the window?
We need 1 more piece of information, the size of the window. I will be treating the window as 1 m tall. So the window is 2.5 meters off the throwing plane (the bottom of the window) to 3.5 meters off the throwing plane (top of the window). I am also assuming that the window's height is based on how high it is above the throwing plane of your arm (if that is the height off the ground, we also need to know how tall you are). The rock will hit 2.676 meters above the throwing plane so it will hit the bottom portion of the window (as seeing as the window goes from 2.5 meters to 3.5 meters).
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