Aload is to be pulled up an inclined plane using a pulley system. the inclined plane is 25.0 ft long and 5.00 ft high. the pulley system has 2 fixed pulleys and 1 movable pulley. find the mechanical advantage of this compound machine.

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat

Write a polynomial function with the given zeros x= -1,0,2show your work

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600