Askydiver slows down from 54 m/s to 4 m/s by opening his parachute. if this takes 0.75 seconds, what is the magnitude for the skydivers acceleration?

The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?