When a program lets the user know that an invalid choice has been made, this is known as: Group of answer choices input validation Input correction Output correction output validation

Joe has a set up in which the length of the load arm is 20cm and the length of the effort arm is 80cm. What is the mechanical advantage of the Jack?

have you ever heard the myth that a penny dropped off the empire state building can be dangerous? the penny would be traveling very quickly. Do you think this is possible?

Define the stress and strength? A material has yield strength 100 kpsi. A cantilever beam has length 10 in and a load of 100 Lbf is applied at the free end. The beam cross section is rectangular 2""x5'.

7. The "3 second rule" is the time you should pause at an intersection marked with a stop sign. A. True B. False

To water his lawn, a homeowner uses two hoses. One connects to the faucet, the other to the end of the first hose to make the hose longer. Each hose is three meters long, but one has 20-mm diameter, the other has 40-mm diameter.

Though still is on the margins of the global agro-food system, organic farming practices are on the rise in the core. In growing crops and raising livestock organically, which of the following are permitted? composted cow manure

Technician A says that a magnetic field can be created by current flow. Technician B says that current can be induced by moving a wire through a magnetic field. Who is right?

9.17 LAB: Name format Many documents use a specific format for a person's name. Write a program whose input is: firstName middleName lastName, and whose output is: lastName, firstName middleInitial.

16 Suppose that a steel of eutectoid composition is cooled to 550°C (1020°F) from 760°C (1400°F) in less than 0.5 s and held at this temperature.

The rotor in a shaded pole motor consists of A coils energized by alternating current B a short circuited loop of copper wire c a permanent magnet D an iron cylinder