Respuesta :

jushmk
Potential energy (PEI due to gravity = mgh

Where, m= mass of the billboard, g=gravitational acceleration (9.81 m/s^2), h = height

Therefore,
m= PE/(gh) = 175000/(9.81*30) = 594.63 kg
mellief50

Answer:

595

Explanation:

175000 ÷ (9.8 × 30) =595._____

when doing this problem, do not forget the parentheses.