A hydraulic lift is being designed to lift cars. The input piston has an area of 10 cm2 and can handle a force up to 400 N. If the lift must be able to move cars with a mass as large as 1800 kg, what is the smallest size the output piston could be?

0.23 cm2

40 cm2

45 cm2

441 cm2

882 cm2

To protect all four receptacles on a branch circuit that surrounds a swimming pool, you would install which of the following configurations? a. gfci feed-through receptacle at the end of the load's circuit b. gfci-terminated receptacle at the beginning of the load's circuit c. gfci feed-through receptacle at the beginning of the load's circuit and the other receptacles connected to the load side of that receptacle d. gfci-terminated receptacle at each end of the load's circuit

Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion

What are similarities and differences of reflection, refraction, diffraction and absorption?