A camel sets out to cross the desert, which is 45.2 km wide in the north-south direc- tion. The camel walks at the uniform speed 1.46 km/hr along a straight line in the di- rection 58.3? north of East (only the camel knows why he chose that particular direction). How long will it take the camel to cross the desert? Answer in units of hr. Calculate the camel's eastward displacement while he crosses the desert. Answer in units of km.