Recent content by inedhelpinphy

i did vf^2= 7.5^2+2(-9.81)(.8) im not sure if its how you do this

tyvm! i think you use vf=vi+at to find how high it will go ?

Homework Statement Stephanie hits a volleyball from a height of 0.8m and gives it an initial velocity of 7.5m/s straight up.? a. how high will the volleyball go? b. how long will it take the ball to reach its maximum height? (hint:@ max height, v= 0m/s) Homework Equations im not...

tyvm! but i want to just ask 1 more question... so then will the final velocity be negative?b/c it is falling

Homework Statement a robot probe drops a camara off the rim of a 239 m high cliff on mars, where the freefall acceleration is -3.7 m/s^2. a. fiind the velocity wl which the camara hits the ground. b. find the tiime required for it to hit the ground. Homework Equations vf^2= vi^2+2ad...

Frictionless incline plane homework help! Homework Statement An object is on a frictionless inclined plane. The plane is inclined at an angle of 78.0 degrees with the horizontal. Using the accerlation due gravity from your reference table. What is the magnitude of object's acceleration...