Here the velocity is increasing so the acceleration must 0 be larger than zero here.
在这里速度在增加,所以加速度,肯定大于。
However, if you take the average acceleration t1 0 that is smaller than zero 0 because here the velocity is zero but here the velocity is negative.
可是如果考虑到,和t5之间的平均加速度5,between,t1,and,t5,那么它将小于,因为这里速度为,但是到了这里却是负值。
So if you substitute that in there you get an average acceleration which is smaller than zero.
所以如果把它代进来,会得到一个,小于0的平均加速度。
So the signs in the velocity and the signs in average acceleration depend crucially on how I have defined my increasing value of x not where I choose my zero points.
所以速度的符号,和平均加速度的符号,这二者都取决于,这里x正方向,是如何定义的,和0点的选取没有关系。
I know v zero x, that is v zero cosine alpha xt=t so x of t is v zero cosine alpha times t but there is no acceleration, so that's it.
并且v0x=v0cosα,那么可有得出,因为没有加速度,所以就是这样了。
The BMW HR2 hybrid car performs with an output of 285 HP and with a top speed on 185 MPH. Acceleration from zero to 60 MPH takes approximately six seconds.
宝马公司的HR 2混合动力车,输出功率达到285马力,每小时时速最高达到185英里,每小时加速度从0- 60英里仅需约6秒。
Only now is there no acceleration so I can write down that force of Walter Lewin plus the force of gravity equals zero.
加速度才为零,写出来就是:我给它的力,与重力之合力等于零。
This object is hanging there, it's not being accelerated so the net acceleration must be zero.
物体无加速度地,悬挂在此,合力为零,加速度亦为零。
The Angle increases, 2 so in our case from t1 to t2 0 the average acceleration is larger than zero Look at the Angle.
角度在时刻t1到t2的过程中,增加了2,故平均加速度大于,看看这个角度。
The frequency in the response spectrum where the zero period acceleration asymptote begins.
频率响应谱中的零期渐近开始加速。
To restrain zero-drifts of the piezoelectric acceleration sensor in high-impact testing and to reduce its bad effect on the result of acceleration testing.
为了抑制侵彻加速度测试中发现的压电加速度传感器零漂现象,减小其对测试结果的不利影响。
Based on a zero sideslip Angle proportional control, we get the gain of the distance from the centroid to the steering center position, yaw angular velocity and lateral acceleration.
在此基础上,得到车辆采用零侧偏角控制策略时,车辆转向中心到质心的距离,横摆角速度增益及侧向加速度增益的表达式。
With the estimation of the zero drift of accelerometer, the precision of the vertical velocity and height can be improved and the measurement of the acceleration can be got without zero drift.
该滤波器能够有效滤除海浪杂波的干扰,获得高质量的高度信号和垂向速度信号。
With the estimation of the zero drift of accelerometer, the precision of the vertical velocity and height can be improved and the measurement of the acceleration can be got without zero drift.
该滤波器能够有效滤除海浪杂波的干扰,获得高质量的高度信号和垂向速度信号。
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