1. An object moves in a plane from the position r₁=(-1,-2) m to the position r₂ (27) m and then to r3=(3,8 m. The time of the motion is At = 30 s. Find: (a) total displacement; (b) distance between the initial and final positions; (c) distance travelled (way length); d) average velocity and average speed. total €=30s displacement +

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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1. An object moves in a plane from the position r₁=(-1,-2) m to the
position_r₂=(2,7) m and then to r3=(3,8 m. The time of the motion
is At = 30 s. Find: (a) total displacement; (b) distance between the
initial and final positions; (c) distance travelled (way length); d)
average velocity and average speed.
total
€=30s
displacement
+
Transcribed Image Text:x 1. An object moves in a plane from the position r₁=(-1,-2) m to the position_r₂=(2,7) m and then to r3=(3,8 m. The time of the motion is At = 30 s. Find: (a) total displacement; (b) distance between the initial and final positions; (c) distance travelled (way length); d) average velocity and average speed. total €=30s displacement +
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