作业帮物理选择题~!求大家帮忙解决~!
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/11/09 09:23:44
物理选择题~!求大家帮忙解决~!
2.The coordinate of a particle in meters is given by x(t)=16t-3.0t^3, where the time t is in seconds. The particle is momentarily at rest at t=
a)0.75s
b)1.3s
c)5.3s
d)7.3s
b)9.3s
是问停留的时间?大家帮忙解决啊~呜呜~
2.The coordinate of a particle in meters is given by x(t)=16t-3.0t^3, where the time t is in seconds. The particle is momentarily at rest at t=
a)0.75s
b)1.3s
c)5.3s
d)7.3s
b)9.3s
是问停留的时间?大家帮忙解决啊~呜呜~
好象是函数题x(t)=16t-3.0t^3 解x=
英文我是看不懂的
我猜是求最值或0点一类的把
英文我是看不懂的
我猜是求最值或0点一类的把