Why is my dog barking?

How long have simple machines been around? Group of answer choices A: thousands of years B: 850 years c: millions of years d: hundreds of years

A vertical curve is designed for 55 mi h and has an intial grade of + 2.5

From the list below, select four situations in which casting is the preferred fabrication technique. (1) For alloys having low ductilities (2) When it is the most economical fabrication technique (3) When it is needed to join a large variety of

What are the dimensions of the base of the pyramid? 8 ft by 6 ft-A 8 ft by 3 ft-B 6 ft by 3 ft-C 8 ft by 9 ft-D

An inclined plane is a simple machine that can be described as a ramp. Group of answer choices True False

Familiarity with basic fastener properties: For each of the standard fasteners specified informally below, determine the major diameter d, the pitch p, the pitch diameter dp, and the bolt length L.

The diameter of a cylinder is called the a.) stroke b.) bore c.) principal length d.) radius

Consider the following grooves, each of width W, that have been machined from a solid block of material. (a) For each case obtain an expression for the view factor of the groove with respect to the surroundings outside the groove.

What is the last step to the design process? A: Define the problem B: Present solution C: Evaluate a solution D: Develop a solution

The controller can be considered the brain of closed loop system