Answer:
Cork
Explanation:
Cork is a solid, other ones are fluid.
Hi love hope you had an amazing day! you’re beautiful!!
The only thing you need to know in order to solve this task is that <span>plank length (which is force x), should equal the increase in potential energy, so what we have now : (mass)* g * (height).
It has to look like that: </span>
<span>F * 3.0 = 150 x 9.81 x 1.20
Then solve for F, the result should be in newtones = 588N
Do hope it makes sense.</span>
Um ok so you subtract 2 on both side the plug in 6
its D
i hope this helps to future test takers. i took the test and had to retake it because their wasn't an answer
