Physics

a rock is dropped into a well hits the water in 5 secs. if there is no air resistance, what would be the rocks final speed?


Answers

Generic placeholder image

BettieZumbrunnen

Reply

The acceleration of gravity is 9.8 meters per second². So, 5 seconds after beginning from zero speed, its speed is (5 x 9.8) = 49 m/s² .

Generic placeholder image

claytoncandace0

Reply

Here u= 0m/s t=5sec v=? From newton's first equation of motion- v=ut v= 0* 5=0m/s

Leave a Answer


Please use only default html tags.