<span> 4.24 height is the answer</span>
Newton’s second law for the system of two boxes in the x-direction is given by:
F - f
k = (m + M )a
F - µk (m + M )g = (m + M )a
⇒ a = (F/m + M) - µkg = (150N / (4kg+10kg)) - 0.6(9.8m/s² ) = 4.83m/s²
For the top box, we get fs = ma = 4kg x 4.83m/s² =19.3N
Answer:
i believe its the one with the dot at 2.6 for the square root of 7
Step-by-step explanation:
Answer:
-20
Step-by-step explanation:
-3×4 is -12.
-2×4= -8
add the two, and you get -20
