What is the horizontal component of acceleration for a projectile? The horizontal velocity of a projectile is constant (a never changing in value), There is a vertical acceleration caused by gravity; its value is 9.8 m/s/s, down, The vertical velocity of a projectile changes by 9.8 m/s each second, The horizontal motion of a projectile […]
What does the knock sensor do?
What does the knock sensor do? The engine’s knock sensor (or sensors) detects preignition and detonation, potentially damaging forms of abnormal combustion. Though full-blown knocking and pinging are audible to the human ear, the knock sensor detects imperceptible levels. What voltage does a knock sensor produce? 4.5 volts What does a knock sensor measure? Knock […]
How does dislocation affect the mechanical properties?
How does dislocation affect the mechanical properties? Dislocations interact with each other by generating stress fields in the material. The interaction between the stress fields of dislocations can impede dislocation motion by repulsive or attractive interactions. Why are dislocations important in metals? Dislocations play an essential role in the plastic deformations of crystalline materials. They […]
What type of eye protection should you use when there is dust present?
What type of eye protection should you use when there is dust present? Either eyecup or cover-type safety goggles should be worn when dust is present. Safety goggles are the only effective type of eye protection from nuisance dust because they create a protective seal around the eyes. Which type of eye protection can be […]
What causes electric shock?
What causes electric shock? An electric shock happens when someone comes into contact with any source of electrical energy. This can be due to a lightning strike or due to a man-made source of electricity such as electrical circuits or appliances. The shock occurs when the electricity flows through the body. What three factors determining […]
What is the maximum dry unit weight to which this soil can be compacted without change in its moisture content?
What is the maximum dry unit weight to which this soil can be compacted without change in its moisture content? From this figure the maximum dry unit weight is approximately 16.6 kN/m3. The corresponding optimum moisture content is 20%. How do you calculate maximum dry unit weight of soil? The maximum dry unit weight is […]
What should you check before getting into your vehicle?
What should you check before getting into your vehicle? Inspect the headlights, windshield, side and rear windows, turn signals, brake lights and taillights. If necessary, clean and replace items that are broken or not working properly. Visually inspect your tires for obvious signs of a problem and notice which direction the front wheels are pointed. […]
What is the difference between a hypothesis and a prediction quizlet?
What is the difference between a hypothesis and a prediction quizlet? The difference between a hypothesis and a prediction is that a hypothesis is a proposed explanation for a set of observations; it leads to predictions that can be tested by additional observations or by experiments. A prediction is a guess of what might happen […]
Which of the following are growth characteristics of wood?
Which of the following are growth characteristics of wood? Examples of growth characteristics are knots, decay and insect damage and examples of manufacturing characteristics are splits, checks, crooking, and bowing. Give an example of a structural grade wood species group. For what reasons might you specify preservative treated wood? For what reasons might you specify […]
How did colonist respond to the Townsend Acts?
How did colonist respond to the Townsend Acts? The Townshend Acts would use the revenue raised by the duties to pay the salaries of colonial governors and judges, ensuring the loyalty of America’s governmental officials to the British Crown. However, these policies prompted colonists to take action by boycotting British goods. Is it okay to […]