Select the correct answer. c
10
Velocity (meters/second)
o
Time (seconds)
In the graph, which region shows nonuniform positive acceleration?
ОА
AB
OB
BC
Ос.
CD
0
OD. OA
12
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What are similarities and differences of reflection, refraction, diffraction and absorption?

Aparticle moves in the xy plane with constant acceleration. at time zero, the particle is at x = 6 m, y = 8.5 m, and has velocity ~vo = (9 m/s) ˆı + (−2.5 m/s) ˆ . the acceleration is given by ~a = (4.5 m/s 2 ) ˆı + (3 m/s 2 ) ˆ . what is the x component of velocity after 3.5 s? answer in units of m/s.

What is the speed of an object at a given moment?