Average speed, displacement and average velocity of car.

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SUMMARY

The discussion focuses on calculating the total distance traveled, average speed, displacement, and average velocity of a car that travels in multiple segments. The car covers 50 km at 30 degrees North of East for 20 minutes, followed by 30 km at 70 degrees North of East at a speed of 20 km/hr, and finally 10 km at 60 degrees North of East at a speed of 80 km/hr. The total distance traveled is 90 km, the average speed is calculated based on total time and distance, and the displacement is determined using vector addition to find both magnitude and angle relative to East.

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  • Understanding of vector addition and components
  • Basic knowledge of trigonometry for angle calculations
  • Familiarity with speed, velocity, and displacement concepts
  • Ability to perform unit conversions and time calculations
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  • Study the relationship between speed, distance, and time calculations
  • Explore advanced topics in kinematics, including projectile motion
  • Investigate the differences between average speed and instantaneous velocity
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ntseg001
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A car travels 50km at 30degrees North of East for 20min, then 30km at 70degrees North of East with speed of 20km/hr, then another 10km at 60degrees North of East with speed 80km/hr. Find
A)Total distance traveled
B)The average speed of the car
C)The displacement of the car(magnitude and the angle relative to East)
D)The average velocity of the car.
 
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