The position of an object moving in a straight line is given by the equation x = (3t^3 + 7t + 5) m, where t is in seconds. What is the object’s acceleration at time t = 5 seconds?__ m/s^2()
单选题
The position of an object moving in a straight line is given by the equation x = (3t^3 + 7t + 5) m, where t is in seconds. What is the object’s acceleration at time t = 5 seconds?__ m/s^2()