Solutions for Kinematics objective

1 a,c,d
Hint:Eliminating t from both the equation,you got trajotory and diffrentiating gives velocity y
x=2t y=2t² So eliminating gives y=x²/2

2.d
3.d
4.c
5.b,c
6.a,b
7.b
8.b
9.a
10.d