(A)
(B)
(C)
(D)
(E)
(A)
(B)
(C)
(D)
(E)
(A)
(B)
(C)
(D)
(E)
(A)
(B)
(C)
(D)
(E)
At time t the position vector R is
The acceleration vector at time t = 2 is
1, 1
1, −1
1, 2
2, −1
The speed of the particle is at a minimum when t equals
0
1
1.5
2
A particle moves along a curve in such a way that its position vector and
velocity vector are perpendicular at all times. If the particle passes
through the point (4, 3), then the equation of the curve is
x 2 + y 2 = 5
x 2 + y 2 = 25
x 2 + 2 y 2 = 34
x 2 − y 2 = 7
2 x 2 − y 2 = 23
The acceleration of an object in motion is given by the vector (t) = (
2 t,et). If the object’s initial velocity was (0) = (2,0), which is the
