Step-by-step explanation:

Answer:
-7.96
Step-by-step explanation:
I used a calculator
Answer:

Step-by-step explanation:
If the value of variables of algebraic expression are given, the value of the term or expression can easily obtained by replacing the variables with numbers.





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Answer:

Step-by-step explanation:
m = Masa del bloque = 18 kg
F = Fuerza en el bloque = 300 N
= Coeficiente de fricción = 0.6
El equilibrio de fuerzas del sistema viene dado por

La aceleración del bloque es
.