如图所示,一带电荷量为+q、质量为m的小物块处于一倾角为37°的光滑斜面上,当整个装置被置于一水平向右的匀强电场中,小物块恰好静止.重力加速度取g,sin37°=0.6,cos37°=0.8.求:
He was late ____ the bad weather.
37+26=____
53-35=____
67-56=____
48+52=____
74-47=____
81-18=____
73+19=____