Inside a tunnel the distance between drivers and the curb is 10 ft. Assuming that the drivers fix their eyes on the curb at an angle of 2o, calculate the appropriate speed limit for a critical angular rate of change of 0.005 rad/s.

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise