Discover Questions

Is universe or are universes? Is light the result of an absence of mass? I got a wire that is hanging near the ground.? If P(X) is this predicate: "x is a perfect square", then P(6) is true. True or False? A position given by:
r = [2.0m+(5.0m/s)t] i + [3.0-(1.0m/s^2)t^2] j,
What is the magnititude of the acceleration of the object at time t=2s?