Question

You have found some robbers in a neighborhood, but the robbers noticed you and started driving away. You are now chasing them. At the start of the chase, the robbers are 146 m ahead of you, and drive their car at a constant acceleration of 3.2 $m/s^2$. Your chase them at a constant acceleration of 4.3 $m/s^2$. (a) Which of the following does best describe the position of the robbers' car (red trace) and your car (blue trace) with respect to time? (A) (B) (C) robbers robbers police police time time (E) (F) robbers robbers police police time time (D) robbers robbers police police time time O (A) O (B) O (C) O (D) O (E) O (F) (b) How long does it take for you to catch up the robbers' car? sec (c) What is the distance you have driven during the chase, from the beginning of the chase until you catch up the robbers' car? m (d) Which of the following does best describe the velocity of the robbers' car (red trace) and your car (blue trace) with respect to time? (A) (B) (C) velocity velocity velocity police robbers robbers police police robbers time time time (E) (F) velocity velocity police robbers police robbers time time O (A) O (B) O (C) O (D) O (E) O (F) (e) What is the speed of the robber's car when you catch up? m/s

          You have found some robbers in a neighborhood, but the robbers noticed you and started driving away.
You are now chasing them.
At the start of the chase, the robbers are 146 m ahead of you, and drive their car at a constant acceleration of 3.2 $m/s^2$. Your
chase them at a constant acceleration of 4.3 $m/s^2$.
(a) Which of the following does best describe the position of the robbers' car (red trace) and your car (blue trace) with respect to
time?
(A)
(B)
(C)
robbers
robbers
police
police
time
time
(E)
(F)
robbers
robbers
police
police
time
time
(D)
robbers
robbers
police
police
time
time
O (A)
O (B)
O (C)
O (D)
O (E)
O (F)
(b) How long does it take for you to catch up the robbers' car?
sec
(c) What is the distance you have driven during the chase, from the beginning of the chase until you catch up the robbers' car?
m
(d) Which of the following does best describe the velocity of the robbers' car (red trace) and your car (blue trace) with respect to
time?
(A)
(B)
(C)
velocity
velocity
velocity
police
robbers
robbers
police
police
robbers
time
time
time
(E)
(F)
velocity
velocity
police
robbers
police
robbers
time
time
O (A)
O (B)
O (C)
O (D)
O (E)
O (F)
(e) What is the speed of the robber's car when you catch up?
m/s

You have found some robbers in a neighborhood, but the robbers noticed you and started driving away.
You are now chasing them.
At the start of the chase, the robbers are 146 m ahead of you, and drive their car at a constant acceleration of 3.2 m/s^2. Your
chase them at a constant acceleration of 4.3 m/s^2.
(a) Which of the following does best describe the position of the robbers' car (red trace) and your car (blue trace) with respect to
time?
(A)
(B)
(C)
robbers
robbers
police
police
time
time
(E)
(F)
robbers
robbers
police
police
time
time
(D)
robbers
robbers
police
police
time
time
O (A)
O (B)
O (C)
O (D)
O (E)
O (F)
(b) How long does it take for you to catch up the robbers' car?
sec
(c) What is the distance you have driven during the chase, from the beginning of the chase until you catch up the robbers' car?
m
(d) Which of the following does best describe the velocity of the robbers' car (red trace) and your car (blue trace) with respect to
time?
(A)
(B)
(C)
velocity
velocity
velocity
police
robbers
robbers
police
police
robbers
time
time
time
(E)
(F)
velocity
velocity
police
robbers
police
robbers
time
time
O (A)
O (B)
O (C)
O (D)
O (E)
O (F)
(e) What is the speed of the robber's car when you catch up?
m/s

Added by Heather T.

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