The helicopter, having flown 40 km in horizontal flight in a straight line, turned at an angle of 90 °
| September 1, 2021 | education
The helicopter, having flown 40 km in horizontal flight in a straight line, turned at an angle of 90 ° and flew another 30 km. Find the path and movement of the helicopter.
L1 = 40 km.
L2 = 30 km.
L -?
S -?
The helicopter path L is found by the formula: L = L1 + L2.
L = 40 km + 30 km = 70 km.
We find the movement of the helicopter S by the formula: S = √ (L1 ^ 2 + L2 ^ 2).
S = √ ((40 km) ^ 2 + (30 km) ^ 2) = 50 km.
Answer: L = 70 km, S = 50 km.
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