What do you do when there's a child in front of you?

A football player attempts a 30-yd field goal. If he is able to impart a velocity u of 100 ft/sec to the ball, compute the minimum angle θ. for which the ball will clear the crossbar of the goal. (Hint: Let m = tan θ)

Consider an ADC with 6-bit resolution. When operating in unipolar mode, the ADC supports a 0 V-to-10 V range. What is the resolution (smallest detectable difference) in volts

The ratio of absolute viscosity to the density of a substance is known as a) Dynamic viscosity b) coefficient of viscosity c) kinematic viscosity d) none of these

2. Wheel grinders need be equipped with a (n) :

20. Of these four materials used as a dielectric, which is the best insulator? a. Pure water C. Glass b. Petroleum d. Air

The Reynolds number, rhoVD/μ is a very important parameter in fluid mechanics. Determine its value for ethyl alcohol flowing at a velocity of 4 m/s through a 2-in.-diameter pipe.

Work done by a system during a process can be considered as a property of the system. a) True b) False

When the compression process is non-quasi-equilibrium, the molecules before the piston face cannot escape fast enough, forming a high-pressure region in front of the piston. It takes more work to move the piston against this high-pressure region.

hypothetical A-B alloy of composition 40 wt% B-60 wt% A at some temperature is found to consist of mass fractions of 0.66 and 0.34 for the α and β phases, respectively.

10. Which of these requires a wheel alignment after replacement? A. Struts B. Shocks C. Both