Physics-
General
Easy

Question

Velocity-time graph for a car is semicircle as shown here. Which of the following is correct :

  1. Car must move in circular path    
  2. Acceleration of car is never zero    
  3. Mean speed of the particle is p/4 m/s    
  4. The car makes a turn once during its motion.    

The correct answer is: Mean speed of the particle is p/4 m/s

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