[填空题]
An asteroid of mass xo5y1im3jcenb kr 2q2:nf) b,jq8j;* f0y 3e .xbc .+aswstla$ 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. $\times10^{-16 }$ %