Suppose it to hour and 30 minutes for an airplane to travel a distance of 350 mi from San Francisco to Los Angeles. Cacuate the average speed of gt (a) in kilometers per hour (b) and in meters per second (mis). Note: The average spe
stance vedded by treo trave=1609 m and 1 km=1000 m

Is a volume of space that is empty of matter.

Which phrase describes the paleo-indians of prehistoric arkansas? a. grew cornb. lived in cliff dwellings c. crafted beautiful potteryd. hunted with stone-tipped spearswhich phrase describes native arkansas from the woodland traditiona. developed widespread agricultureb. hunted mastodon and woolly mammothc. built rectangle-shaped homesd. traded salt with other groups

An object that weighs 75n is pulled on a horizontal surface by a horizontal pull of 50 n to the right. the friction force on this object is 30 n to the left. what is the acceleration of the object?