A 461g wood block is given a quick push across a table. During the push it accelerates at a rate of 0.47m/s2, but after the push it slows to a stop with an acceleration of -0.59m/s2. Assuming the frictional force was the same strength both during and after the push, what was the strength of the force used to push the block to start with?

im confused i ned that question too

Explanation:

are there answer choices to this question? this seems like a question where you have options to choose from.

cell differentiation  is how generic embryonic  cells  become specialized  cells. this occurs  through a process called gene expression. gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a  cell  functions.

explanation: