10/27/2021 2. A 1050-kg car traveling initially with a speed of 40.0 m/s in an easterly direction crashes into the rear end of a 8000-kg truck moving in the same direction at 15.0 m/s (see figure below). The velocity of the truck right after the collision is 20.0 m/s to the east. +40 m/s +15 m/s v-? +20 m/s Before After (a) What is the velocity of the car right after this inelastic collision?
10/27/2021 2. A 1050-kg car traveling initially with a speed of 40.0 m/s in an easterly direction crashes into the rear end of a 8000-kg truck moving in the same direction at 15.0 m/s (see figure below). The velocity of the truck right after the collision is 20.0 m/s to the east. +40 m/s +15 m/s v-? +20 m/s Before After (a) What is the velocity of the car right after this inelastic collision?
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Chapter1: Units, Trigonometry. And Vectors
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
Transcribed Image Text:Title: Physics Problem: Inelastic Collision
---
**Problem Statement:**
A 1050-kg car traveling initially with a speed of 40.0 m/s in an easterly direction crashes into the rear end of an 8000-kg truck moving in the same direction at 15.0 m/s (see figure below). The velocity of the truck right after the collision is 20.0 m/s to the east.
---
**Question:**
(a) What is the velocity of the car right after this inelastic collision?
---
**Illustration:**
**Before Collision:**
- A car is depicted moving eastward with a velocity of +40 m/s.
- A truck is also shown traveling eastward with a velocity of +15 m/s.
**After Collision:**
- The truck's velocity after the collision is shown as +20 m/s.
- The car's velocity is indicated as "v" (unknown) and needs to be determined.
---
This problem is a classic example of an inelastic collision where momentum is conserved but kinetic energy is not necessarily conserved. Use the principle of conservation of momentum to solve for the unknown velocity of the car after the collision.
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