If you put a straw into a glass of water, the straw looks bent, although nothing has really happened to the straw. The term that describes this property of light is

8. What side length would you specify if you were required to create a regular hexagonal plate that was comprised of 33 cm - of sheet metal? Bonus: Sketch the hexagon, dimension the side length on the sketch to 0.1 cm, and indicate your grid spacing.

A wheel is used to turn a valve stem on a water valve. If the wheel radius is 1 door and the axle radius is. 5 inches, what is the mechanical advantage of the wheel and axle?

A person with a Class C drivers license may operate

The number of vacancies present in some metal at 757°C is 1.7 * 1024 m-3. Calculate the number of vacancies at 470°C given that the energy for vacancy formation is 1.17 eV/atom; assume that the density at both temperatures is the same.

Change in cross-section dimensions over the length of a U-shaped bracket can best be shown in a space-saving way by

5) A 80-kg man has a total foot imprint area of 480 cm2. Determine the pressure this man exerts on the ground if (a) he stands on both feet and (b) he stands on one foot.

A car with an initial speed of 50 km/h accelerates at 5000 km/h2 along a straight road. a. How long will it take to reach a speed of 120 km/h?

If high beam headlights are used improperly, it could cause glare for an oncoming driver or reduce their visibility greatly, increasing the possibility of a collision. a) b) True False

The value of the critical Reynolds number for the flow over a flat plate is 5 x10^5. The significance of the value is: (a) The boundary layer will be turbulent where the Reynolds number is less than this value.

The specifications of an electronic device are 24 / - 0.4 Amps. When the device exceeds specifications the average quality cost is $32.00. A sample of the devices had an average value of 23.9 Amps and a standard deviation of 0.211 Amps.