Answer:
15.3 m/s
Step-by-step explanation:1) Find the gravitational potential energy using the equation :


2) Then use the equation for kinetic energy to solve for the velocity:


Answer:
32inch³
Step-by-step explanation:
formula= ½bh²
½×4×4×4
½×64
= 64/2
=32inches³
The square of 12 is 144 and the square of 13 is 169. Since 150 is in between those, it is C.
Hope this helps!