Thank you! Thanks a lot! I feel smart and dumb at the same time. Smart because I figured out the way to solve it all by myself and dumb because I just can't do super simple algebra!
Homework Statement
A lump of uranium has a mass of 2.0 kg, and begins at rest. Half of the lump’s mass is going to be totally converted into kinetic energy of the other half. After this is done, how fast is the remaining half going?
a. 0.60 c
b. 0.80 c
c. 0.87 c
d. 1.0c
Homework...
Homework Statement
A certain freely falling object requires 1.20 s to travel the last 34.0 m before it hits the ground. From what height above the ground did it fall?
Homework Equations
v = v + at
The Attempt at a Solution
I really tried to do it in my notes and it is a mess. It is more of...