Joanna drove a car at 30km/hr. What is the speed in m/s?

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.

What happens to the light rays when they hit the specimen?

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle