Question

Question for class 9

A body is projected horizontally from a point above the ground.The motion of body is defined as
x = 2t
y = 2t²

where x and y are horizontal and vertical displacement respectivley at time t.Which one of the following is true

a. The trajectory of the body is a parabola
b. The trajectory of the body is a straight line
c. the velocity vector at point t is 2i+4tj
d. the acceleration vector at time t is 4​

Answer 1

Answer:

b is the right ansr not parabola it is straight line