The x and y coordinates of the particle at any time are x = 5t - 2t2 and y = 10t respectively, where x and y are in meters and t in seconds. The acceleration of the particle at t = 2s is
0
5m /s2
-4m /s2
-8m /s2
As we learned in concept
Introduction to Differentiation -
- wherein
X=5t- y=10t
Vx=5-4t vy=10
ax=-4 ay=0
Option 1)
0
This option is incorrect
Option 2)
5m /s2
This option is incorrect
Option 3)
-4m /s2
This option is correct
Option 4)
-8m /s2
This option is incorrect