[填空题]
An asteroid of mass uii8,m m ttmc,7if +2n4xp r0.7w)mz2 z3sh u vhbd2zd$ 1.0\times10^{ 5}$ traveling at a speed of relative to the Earth, hits the Earth at the equator tangentially, and in the direction of Earth’s rotation. Use angular momentum to estimate the percent change in the angular speed of the Earth as a result of the collision. $\times10^{-16 }$ %