A computer model displays the motion of a particle on a coordinate system in real time. At time t = 0, the particle is at the origin ofthe coordinate system and has velocity components vx = 0 and vy = 6.8 m/s. The particle has acceleration components ofax = -5.2 m/s² and ay = 0.(a) What are the x and y positions of the particle, in meters, at t = 4.5 s?X =y =m=m(b) What are velocity components of the particle, in m/s, at t = 4.5 s?Vxm/sm/s(c) How does the speed of the particle change from t = 0 to t = 4.5 s?O The particle's speed increases with time.O The particle's speed decreases with time.O The particle's speed remains constant.O The particle's speed increases and then decreases with time.

Name: A computer model displays the motion of a particle on a coordinate sy
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Description: A computer model displays the motion of a particle on a coordinate system in real time. At time t = 0, the particle is at the origin ofthe coordinate system and has velocity components vx = 0 and vy = 6.8 m/s. The particle has acceleration component

Given value--- at t= 0 , speed = 0 , 6.8 m/s. acceleration ax = -5.2 m/s2. , and ay = 0 m/s2. We…

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Chapter1: Units, Trigonometry. And Vectors

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A computer model displays the motion of a particle on a coordinate system in real time. At time t = 0, the particle is at the origin of
the coordinate system and has velocity components vx = 0 and vy = 6.8 m/s. The particle has acceleration components of
ax = -5.2 m/s² and ay = 0.
(a) What are the x and y positions of the particle, in meters, at t = 4.5 s?
X =
y =
m
=
m
(b) What are velocity components of the particle, in m/s, at t = 4.5 s?
Vx
m/s
m/s
(c) How does the speed of the particle change from t = 0 to t = 4.5 s?
O The particle's speed increases with time.
O The particle's speed decreases with time.
O The particle's speed remains constant.
O The particle's speed increases and then decreases with time.

Expert Solution

Step 1

Given value---

at t= 0 , speed = 0 , 6.8 m/s.
acceleration a_x = -5.2 m/s2. , and a_y = 0 m/s2.

We have to find---

(a) What are the x and y positions of the particle, in meters, at t = 4.5 s?
(b) What are velocity components of the particle, in m/s, at t = 4.5 s?
(c) How does the speed of the particle change from t = 0 to t = 4.5s ?

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