The position of a particle moving along the x axis is given by x = 6.0t^2 - 1.0t^3, where x is in meters and t in seconds. What is the position of the particle when it achieves its maximum speed in the positive x direction?

An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?

How many dots must be added to the symbol to properly represent a standard nitrogen ion? a) 1 b) 3 c) 5 d) 8

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?