An object is moving east, andits velocity changes from 65 m/s to 25 m/s in 10 seconds. Which describes the acceleration?
O negative acceleration of 4 m/s?
O positive acceleration of 4 m/s?
O positive acceleration of 9 m/s?
O negative acceleration of 9 m/s

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car

In one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.

Asilver dollar is dropped from the top of a building that is 1324 feet tall. use the position function below for free-falling objects. s(t) = −16t2 + v0t + s0 (a) determine the position and velocity functions for the coin. s(t) = v(t) = (b) determine the average velocity on the interval [1, 2]. ft/s (c) find the instantaneous velocities when t = 1 second and t = 2 seconds. v(1) = ft/s v(2) = ft/s (d) find the time required for the coin to reach the ground level. (round your answer to three decimal places.) t = s (e) find the velocity of the coin at impact. (round your answer to three decimal places.) ft/s