We said, "Let's take, for the simplest case that we can possibly imagine, namely a particle moving in one dimension along the x-axis with a constant acceleration a.

我们说过,"考虑我们可以想象的最简单的情况,即质点在一维空间运动,沿着 x 轴且保持恒定加速度 a

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Today motion sensing has progressed to being three-axes of acceleration, and three axis of rotation (technically called gyroscopes).

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Further attempts involved switching on the motors while spinning Galileo on its axis, and also when it reached the point of its maximum acceleration around Jupiter.

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The orientation sensor automatically adjusts between portrait and landscape mode in most applications when the device is tilted, and the 2-Axis Accelerometer is great for controlling games that need simultaneous steering and acceleration.

ENGADGET: Pandigital Supernova available mid-October for $230, is an eReader in Android tablet disguise