1. A golfer takes three putts to get the ball into the hole. The first put displaces the ball 3.66m north, the second 1.83m southeast, and the third 0.99m southwest. What are I. Magnitude, and II. The direction of the displacement needed to get the ball into the hole on the first putt.
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Final Answer :
1 : 1.763m
2: 70.31°North of East.
Steps and Understanding :
1) Convention :
As shown in diagram
Upward and rightward direction vector is positive.
Downward direction and leftward vector is negative.
2) Let A be the initial position of golfer.
From here, golfer went on his first put towards B, then C and then D.
3) We have to find AD vector .
4) We will find first all vectors, AB,BC,CD to get AD with appropriate sign.
5) Then, from AD we will get it's magnitude and direction .
1 : 1.763m
2: 70.31°North of East.
Steps and Understanding :
1) Convention :
As shown in diagram
Upward and rightward direction vector is positive.
Downward direction and leftward vector is negative.
2) Let A be the initial position of golfer.
From here, golfer went on his first put towards B, then C and then D.
3) We have to find AD vector .
4) We will find first all vectors, AB,BC,CD to get AD with appropriate sign.
5) Then, from AD we will get it's magnitude and direction .
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