Velocity-time graph for a car is semicircle as shown here. Which of the following is correct :
Velocity-time graph for a car is semicircle as shown here. Which of the following is correct :
- A
Car must move in circular path.
- B
Acceleration of car is never zero.
- C
Mean speed of the particle is $\pi /4 \,\,m/s$.
- D
The car makes a turn once during its motion.
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