A 50.0kg is dropped on a spring from a point 10m. If the force constant of the spring is 4.0×10^4Nm, find the maximum compression of the spring (g=10m/s)

Which expression is equivalent to the expression shown?

Find the area of the regular hexagon if a side is 20 cm.

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .