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answer a, b, and c. thank you

7.
Two cars with the same mass collide on an icy road as shown below. The thick arrows
indicate the general direction of motion of each of the cars immediately before and after the
collision. Car 1 has an initial speed of Vi
=
m/s. Car 1's velocity vector points at an angle = 30.00 above the horizontal while car 2 is
3.00 m/s and car 2 has an initial speed of V2i = 1.65
moving at an angle below the horizontal. After the collision, car 1 is moving at a speed of
Vif = 2.00 m/s in a horizontal direction while car 2 is at rest, as shown in the diagram.
1
P
0
Before
ф у
y A
190
X
car1 = V₁₁ = 3m/s
a) Calculate the angle 0.
2
= 3m/s, Car 2= V₂i=1.65m/s
After
3m/s)
b) Calculate the speed of car 1 after the collision in m/s.
1
c)
Determine whether the collision is elastic or inelastic. Explain using a
calculation.
The collision is elastic because the mechanical
energy and momentum are conserved.
Transcribed Image Text:7. Two cars with the same mass collide on an icy road as shown below. The thick arrows indicate the general direction of motion of each of the cars immediately before and after the collision. Car 1 has an initial speed of Vi = m/s. Car 1's velocity vector points at an angle = 30.00 above the horizontal while car 2 is 3.00 m/s and car 2 has an initial speed of V2i = 1.65 moving at an angle below the horizontal. After the collision, car 1 is moving at a speed of Vif = 2.00 m/s in a horizontal direction while car 2 is at rest, as shown in the diagram. 1 P 0 Before ф у y A 190 X car1 = V₁₁ = 3m/s a) Calculate the angle 0. 2 = 3m/s, Car 2= V₂i=1.65m/s After 3m/s) b) Calculate the speed of car 1 after the collision in m/s. 1 c) Determine whether the collision is elastic or inelastic. Explain using a calculation. The collision is elastic because the mechanical energy and momentum are conserved.
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