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Engineering

1. An automobile travels along a straight road at 15.65 m/s through a 11.18 m/s

speed zone. A police car observed the automobile. At the instant that the two

vehicles are abreast of each other, the police car starts to pursue the automobile at

a constant acceleration of 1.96 m/s². The motorist noticed the police car in his rear

view mirror 12 s after the police car started the pursuit and applied his brakes and decelerates at 3.05 m/s². (Hint: The police will not go against the law.)

a) Find the total time required for the police car to overtake the automobile.

b) Find the total distance travelled by the police car while overtaking the

automobile.

c) Find the speed of the police car at the time it overtakes the automobile.

d) Find the speed of the automobile at the time it was overtaken by the police car.

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Engineering

explain techniques you can use while driving any vehicle to increase fuel efficiency and reduce emissions.

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Engineering

How many types of motion are fluid element motion include?

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Engineering

Explain the conductivity results observed for ionic compounds in the solid state and in aqueous solution. i. Solid ionic compounds don't have a conductivity because there isn't any free space. However, in an aqueous solution ionic compounds have free space causing it to be conductive

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Peyton Erickson

Engineering

The specific heat of aluminum is approximately 900 J/kg°C. If the temperature of a 5 kg specimen needs to be raised from 30°C to 1000°C, the amount of heat required will be equal to Select one: a) - 4365 kJ b) - 4365 Btu c) - 4365W d) - None of the above

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Mauricio Murray

Engineering

What are the limitations and advantages of the Charpy impact test.

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Engineering

How does a beam deform when it is subjected to an upward load in the middle and supported at both ends? a. Both the top and bottom of the beam compress. b. The top of the beam stretches and the bottom compresses. c. Both the top and bottom of the beam stretch. d. The top of the beam compresses and the bottom stretches.

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Engineering

How to cycle a cycle

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Engineering

cement content: 7.0 sacks/yd3 water-cement ratio: 5.08 gal/sack cement specific gravity: 3.15 fine-aggregate specific gravity: 2.65 coarse-aggregate specific gravity: 2.45 aggregate grading: 30% fine; 70% coarse (by volume) free moisture (SSD basis) : 1.5% excess in fine aggregate 3.0% deficient in coarse aggregate entrained air: 6% (a) What is the as delivered weight of the cem

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Engineering

Number the statements listed below in the order that they would occur in engine operation. Then, label these stages as intake, compression, power, or exhaust. a. The fuel mixture is ignited by the spark plug, and the resulting explosion forces the piston down in the cylinder. b. The piston rises and compresses the fuel mixture in the combustion chamber. c. The exhaust gases leftover from the combustion are released from the cylinder. D. A mixture of air and fuel is drawn into the cylinder

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Engineering

Why was Copernicus's heliocentric model not believed until Galileo and Kepler provided more evidence?

The model had the moon orbiting Earth.

The model was against religious teachings.

The model could not explain retrograde motion.

The model did not include all eight planets in the solar system.

its not c

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Engineering

What are the benefits of using a multi-view sketch to communicate a design?

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Engineering

What claim do ghost hunters make about energy-detecting devices? They can determine how many spirits are in one location. They can produce sounds that may be confused with ghosts. They can sense the presence of spiritual energy. They can distinguish good spirits from evil spirits.

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Engineering

Why is a building considered a type of system?

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Engineering

Catch of the day:

what fruit does monkeys eat that most humans eat

a. apple

b. banana

c. orange

d. grapes

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