第一章测试1.How many years older will you be 1.00 gigaseeond from now? (Assume a 365-day year.) ( )A:51.7 yB:21.7 yC:41.7 yD:31.7y答案:D2.Scientific notation: .
In the simple harmonic motion, when the displacement has its maximum magnitude, the restoring force and the acceleration of the body have their maximum magnitudes. ( )答案:对The lo
浙江理工大学In the simple harmonic motion, when the displacement has its maximum magnitude, the restoring force and the acceleration of the body have their maximum magnitudes. ( )A:对B:错