defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Physics Motion in Two and Three Dimensions Average ACceleration and Instantaneous ACceleration
The displacement of a car during its journey is given by s = xt2 - yt + z where x, y and z are constants and t is the time. The acceleration of the car at t = 4 s is
1
4 m/s2
2
2x
3
√2 kmph
4
None of the above