The distance-time graph of a particle at time 𝑡 makes angle 45° with time axis. After 1s, it makes angle 60° with time axis. What is the acceleration of the particle?

Question: The distance-time graph of a particle at time 𝑡 makes angle 45° with time axis. After 1s, it makes angle 60° with time axis. What is the acceleration of the particle?

(A) \sqrt{3}-1unit

(B) \sqrt{3}+1unit

(C) \sqrt{3}unit

(D) 1 unit

Answer : option (A)

Solution :

The distance-time graph of a particle at time 𝑡 makes angle 45° with time axis. After 1s, it makes angle 60° with time axis. What is the acceleration of the particle?
The distance-time graph of a particle at time 𝑡 makes angle 45° with time axis. After 1s, it makes angle 60° with time axis. What is the acceleration of the particle?
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