In position #1, at time t₁ = 0, the coordinates are (1.1 m, 3.4 m).
That is,
x₁ = 1.1 m, y₁ = 3.4 m.
In position #2, at time t₂ = 3.0 s, the coordinates are (5.3 m, -0.5 m).
That is,
x₂ = 5.3 m, y₂ = -0.5 m.
The x-component of the average velocity is
Vx = (x₂ - x₁)/(t₂ - t₁)
= (5.3 - 1.1 m)/(3 - 0 s)
= 1.4 m/s
Similarly, the y-component of the average velocity is
Vy = (-0.5 - 3.4)/3
= -1.3 m/s
Answer
The x and y components of the average velocity are 1.4 m/s and -1.3 m/s respectively.
Answer:
so the exact time can be measured
Explanation:
if it is not used then let's say 2 athletes finish the race at the time 20 second so it won't be exact and you would not know who is first and if it is used then you even know how much or which part of the second it is, hope you understand . brainy plzz
Answer:
B. 832 m/s
Explanation:
(1/2) (0.015) v^2 = (3/2) (1.5) (8.31) (278)
0.0075 v^2 = 5197.905
v^2 = 693054
v = 832.49
By looking at diagrams, My guess is c.
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