Aball is thrown vertically upward from the top of a 200 foot tower, with an initial velocity of 5 ft/sec. its position function is s(t) = –16t2 + 5t + 200. what is its velocity in ft/sec when t = 3 seconds?

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Find the slope of the line passing through a pair of points

In each of the cases that follow, the magnitude of a vector is given along with the counterclockwise angle it makes with the +x axis. use trigonometry to find the x and y components of the vector. also, sketch each vector approximately to scale to see if your calculated answers seem reasonable. (a) 50.0 n at 60.0°, (b) 75 m/ s at 5π/ 6 rad, (c) 254 lb at 325°, (d) 69 km at 1.1π rad.