The position of an object moving in a straight line is given by the equation x = (3t3 + 7t + 5) m, where t is in seconds. What is the object’s acceleration at time t = 5 seconds?
选项:
A:415 m/s2
B:232 m/s2
C:115 m/s2
D: 90 m/s2
E:35 m/s2
发布时间:2024-04-24 19:25:21