We observe that it takes 5,3 seconds to cross the distance of 35 meters. A) What is their average speed? B) How long will it take for
the skier complete the 10,00 km race if they keep the same average
speed?

Which describe reflection? check all that apply. light bounces off a boundary.

John throws .4 kg ball with velocity of 18 m/s. hits .2 kg bottle and bottle flies 25 m/s. how fast is ball traveling after hitting the bottle?

Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?