Car A of mass 800 kg and car B of mass 1200 kg are headed towards each other as shown (top view). Immediately before impact, car A has a speed of 30.0 m/s and makes and angle of 40° with the x- axis as shown. Car B has a speed of 20.0 m/s and makes and angle of 75° with the y-axis as shown. After the collision, the cars stick together and move as one. 40° 75° a) What is the velocity of the cars immediately after the collision, expressed in unit vector component (Cartesian) notation. В A 20 m/s b) What is the force that Car A exerts on Car B during the collision, if the collision lasts 0.420 seconds? Expre (Cartesian) notation. 30 m/s your answer in unit vector component c) Is the collision elastic or inelastic? Justify you answer with some sort of calculation.

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Car A of mass 800 kg and car B of mass 1200 kg are
headed towards each other as shown (top view).
Immediately before impact, car A has a speed of
30.0 m/s and makes and angle of 40° with the x-
axis as shown. Car B has a speed of 20.0 m/s and
makes and angle of 75° with the y-axis as shown.
After the collision, the cars stick together and
move as one.
40°
75°
a) What is the velocity of the cars immediately after the
collision, expressed in unit vector component
(Cartesian) notation.
A
20 m/s
b) What is the force that Car A exerts on Car B during
the collision, if the collision lasts 0.420 seconds?
Express your answer in unit vector component
(Cartesian) notation.
30 m/s
c) Is the collision elastic or inelastic? Justify you answer with some sort of calculation.
Transcribed Image Text:Car A of mass 800 kg and car B of mass 1200 kg are headed towards each other as shown (top view). Immediately before impact, car A has a speed of 30.0 m/s and makes and angle of 40° with the x- axis as shown. Car B has a speed of 20.0 m/s and makes and angle of 75° with the y-axis as shown. After the collision, the cars stick together and move as one. 40° 75° a) What is the velocity of the cars immediately after the collision, expressed in unit vector component (Cartesian) notation. A 20 m/s b) What is the force that Car A exerts on Car B during the collision, if the collision lasts 0.420 seconds? Express your answer in unit vector component (Cartesian) notation. 30 m/s c) Is the collision elastic or inelastic? Justify you answer with some sort of calculation.
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