Question
Question: The x and y coordinates of a particle at any time t are given by x = 2t + 4t<sup>2</sup> and y = 5t,...
The x and y coordinates of a particle at any time t are given by x = 2t + 4t2 and y = 5t, where x and y are in meter and t in second. The acceleration of the particle at t =5 s is –
A
40 ms–2
B
20 ms–2
C
8 ms–2
D
Zero
Answer
8 ms–2