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d 2. d 1. Mr. Bean travels from position 1 ( d 1 ) to position 2 ( d 2 ). d 3. d 2. d 1. Mr. Bean then travels from position 2 ( d 2 ) to position 3 ( d 3 ). d 3. d 2. d 4. d 1. Mr. Bean then travels from position 3 ( d 3 ) to position 4 ( d 4 ). d 3. d 2-3. d 3-4. d 2. d 4.
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d2 d1 Mr. Bean travels from position 1 (d1) to position 2 (d2)
d3 d2 d1 Mr. Bean then travels from position 2 (d2) to position 3 (d3)
d3 d2 d4 d1 Mr. Bean then travels from position 3 (d3) to position 4 (d4)
d3 d2-3 d3-4 d2 d4 d1-2 d1 Each change in position is a displacement (d)
d2-3 d3-4 d1-2 dfinal dR dinitial The overallchange in position is the resultantdisplacement (dR) initial position (dinitial) to final position (dfinal)
d2-3 d3-4 d1-2 dfinal dR dinitial
d2x d2y d3 d3y d2 dfinal d1x d3x d1y d1 dinitial To find the resultant displacement algebraically, we need to find the x and y components of each individual vector.
d2x d2y d3y d1x d3x dx dfinal d1y dy dinitial To find the resultant displacement algebraically, we need to find the x and y components of each individual vector.
d2y dx d3y d2x d3x d1x d1y dy • The next step involves finding the vector sum in the x and y. • dx = vector sum of x components • dy = vector sum of y components
dx dy The next step involves redrawing the dxanddyvectors tail to tip.
dx dy The next step involves redrawing the dxanddyvectors tail to tip.
dx dfinal dy dR dinitial To find the resultant displacement dR draw a new vector from the initial to final position.
dR= dx2 + dy2 dx dy dR Use the Pythagorean Theorem to find the magnitude (size) of the resultant.
dx dy dR dR= dx2 + dy2 dx tan = dy Use the Pythagorean Theorem to find the magnitude (size) of the resultant and the tangent function to determine the direction of the resultant.
dx dy dy dR dR dx or Notice that there are two possible ways of drawing the resultant vector diagram. Each is correct!
dx dy dy dR dR dx or • Notice that there are two possible ways of drawing the resultant vector diagram. Each is correct! • Both the magnitude (size) and directionof the dRremain the same.