Peter uses a old washing machine as anchor to park his boat. the machine weighs with water inside 405 kg, its size is 45 cm x 75 cm x 104 cm the static friction coefficient is 0.54. the lake is 95 m deep. a, how much horizontal force is needed to push the machine
b, how much vertical force is needed to push it up to the surface
c, what pressure does the machine have on the seafloor if it is laying on its longest side
d, what was the average speed if the machine fell to the floor in 1 minute and 26 seconds in m/s ​