If the acceleration goes down, the period of oscillation goes up.
如果加速度减小,振荡周期变大。
The lawsuits allege that "certain of Toyota's cars and trucks have a defect that causes sudden uncontrolled acceleration to speeds of up to 100 MPH or more," the Los Angeles Times reported Monday.
《洛杉矶时报》星期一的报道称,该诉讼宣称“某些丰田小汽车和卡车有一种缺陷,能导致汽车突然失控,速度意外加快,高达每小时100英里或更快。”
Now I'm going to swing you faster, so the v will go up and so the centripetal acceleration will go up.
如果此时,我想让你转得更快,即v更大,那么向心加速度也会随之增大。
Then you guys know, you just told me, acceleration is -9.8, We call it "minus" because it's accelerating down and up was taken to be the positive direction.
然后你们都知道,你告诉我,加速度是-9.8,我们取负号是因为加速度方向朝下,而正方向为竖直向上
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