Looking for answers? Westonci.ca is your go-to Q&A platform, offering quick, trustworthy responses from a community of experts. Experience the convenience of finding accurate answers to your questions from knowledgeable professionals on our platform. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

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?

Sagot :

AL2006
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 .
Here u= 0m/s t=5sec v=? From newton's first equation of motion- v=ut v= 0* 5=0m/s