You are at an elevation 380 m above sea level as you start a motor ride. During the ride, your elevation changes by the following metres: 540 m, –268 m, 116 m, –152 m, 490 m, –844 m, 94 m. What is your elevation relative to the sea level at the end of the ride?
Given that, starting point during the motor ride = 380 m
The changes in the elevation during the ride are given to be 540 m, -268 m, 116 m, -152 m, 490 m, -844 m and 94 m.
The changes in the elevation can be calculated as :
Changes = 540 + (-268) + 116 + (-152) + (490) + (-844) + 94
⇒ Changes = 540 – 268 + 116 – 152 + 490 – 844 + 94
⇒ Changes = -24 m
To find elevation at the end of the ride is found by,
Elevation = (Elevation at the starting point) + (Changes in elevation)
⇒ Elevation = 380 + (-24)
⇒ Elevation = 356 m
Thus, elevation at the end of the ride is 356 m.
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