When jumping, a flea rapidly extends its legs, reaching a takeoff speed of 1. 0 m/s over a distance of 0. 50 mm. What is the flea's acceleration as it extends its legs? How long does it take the flea to leave the ground after it begins pushing off?

Mike walks 100 meter north, then walks 30 meters south. after this, he walks another 10 meters north. what is the magnitude of his total displacement during this walk,in meters?

Phase changes are chemical changes. true or false

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?