Engineering analysis

1.) An electric fan goes from rest to 2000 rpm in 4.0 s. What is its angular acc

1.) An electric fan goes from rest to 2000 rpm in 4.0 s. What is its angular acceleration? Express your answer to two significant figures and include the appropriate units. 2.) A …

1.) An electron of mass 9.1 × 10^31 kg moves horizontally toward the north at 4.

1.) An electron of mass 9.1 × 10^31 kg moves horizontally toward the north at 4.0 × 10^7 m/s. A.) Determine the magnitude of a minimum B field that will exert a magnetic force tha…

1.) An electron with an initial speed of 700,000 m/s is brought to rest by an el

1.) An electron with an initial speed of 700,000 m/s is brought to rest by an electric field. a.) What was the potential difference that stopped the electron? b.) What was the ini…

1.) An elevator (mass 4700 kg ) is to be designed so that the maximum accelerati

1.) An elevator (mass 4700 kg ) is to be designed so that the maximum acceleration is 0.0620 g . Part A What is the maximum force the motor should exert on the supporting cable? P…

1.) An increasing number of products, such as passports and credit cards, contai

1.) An increasing number of products, such as passports and credit cards, contain an embedded radio-frequency identification chip that both stores and transmits information. The c…

1.) An object is placed 11.2 cm to the left of a diverging lens of focal length

1.) An object is placed 11.2 cm to the left of a diverging lens of focal length -5.30 cm. A converging lens of focal length 11.8 cm is placed a distance d to the right of the dive…

1.) An object moves in a straight line, following the equation x = 5 + 71*t - 5*

1.) An object moves in a straight line, following the equation x = 5 + 71*t - 5*(t^2). Here x is the displacement (in meters), t is the time (in seconds), the symbol "*" means mul…

1.) An object weighing 0.90208 lbs and having a volume of 64cm3 is submerged in

1.) An object weighing 0.90208 lbs and having a volume of 64cm3 is submerged in 5 meters of water. Find the buoyant force on the rock. (Keep in mind that 1 lb = 4.45 N) a. 0.296 l…

1.) An object weighing 0.90208 lbs and having a volume of 64cm3 is submerged in

1.) An object weighing 0.90208 lbs and having a volume of 64cm3 is submerged in 5 meters of water. Find the buoyant force on the rock. (Keep in mind that 1 lb = 4.45 N) a. 0.296 l…

1.) An unknown fluid, in a perfectly insulated container, experiences a 30oF cha

1.) An unknown fluid, in a perfectly insulated container, experiences a 30oF change in temperature after 400 BTUs of heat energy is added to the system. If the mass of the fluid i…

1.) An unknown fluid, in a perfectly insulated container, experiences a 30oF cha

1.) An unknown fluid, in a perfectly insulated container, experiences a 30oF change in temperature after 400 BTUs of heat energy is added to the system. If the mass of the fluid i…

1.) Answer the following questions based on the circuit below the source is init

1.) Answer the following questions based on the circuit below the source is initial on with a value Vs and then turns off (Vs = 0): (Assume the source has been connected for a lon…

1.) As shown in the figure, a light ray enters a slab made of an unknown transpa

1.) As shown in the figure, a light ray enters a slab made of an unknown transparent material at point A at incident angle ? = 32.2° and then undergoes total internal reflection a…

1.) Assume that you used your ammeter that you constructed to measure the curren

1.) Assume that you used your ammeter that you constructed to measure the current through a 2 ohm resistor. Draw a diagram of the complete circuit. What percentage of the total re…

1.) At the instant the traffic light turns green, a car that has been waiting at

1.) At the instant the traffic light turns green, a car that has been waiting at an intersection starts forward with a constant acceleration of 2.45 m/s2. At the same instant, a t…

1.) Based on the location of the vine, which is right over the middle of the rav

1.) Based on the location of the vine, which is right over the middle of the ravine, how wide is the ravine in terms of L? 2.) What she decides to do is tie a rock to the end of t…

1.) Bats use echolocation to determine their distance from objects they cannot e

1.) Bats use echolocation to determine their distance from objects they cannot easily see in the dark. The time between the emission of a high-frequency sound pulse (a click) and …

1.) Calculate total distance traveled by computation of area under orange line.

1.) Calculate total distance traveled by computation of area under orange line.                      = 1.8 km 2.) Determine the distance traveled between t = 10 s and t = 40 s    …

1.) Can we use the graph of Distance Vs Time to predict the velocity of the cart

1.) Can we use the graph of Distance Vs Time to predict the velocity of the cart at a particular distance? Explain. 2.) Can we use the graph of Distance Vs Time to predict the vel…

1.) Charge of uniform density (3.54 nC/m 3 ) is distributed throughout a hollow

1.) Charge of uniform density (3.54 nC/m3) is distributed throughout a hollow cylindrical region formed by two coaxial cylindrical surfaces of radii 1.0 cm and 3.0 cm. Determine t…

1.) Charges of -q and +2q are fixed in place, with a distance of 2 m between the

1.) Charges of -q and +2q are fixed in place, with a distance of 2 m between them. A dashed line is drawn through the negative charge, perpendicular to the line between the charge…

1.) Consider 3 vectors, A = (8, -2, 3), B = (-4, 3, 5), and C = (1, 8, 2). What

1.) Consider 3 vectors, A = (8, -2, 3), B = (-4, 3, 5), and C = (1, 8, 2). What is the dot product of A with (B-C)? 2.) An aircraft is landing at an airport. Its wheels first touc…

1.) Consider a parallel plate capacitor with plates of area1.04 m 2 whose plates

1.) Consider a parallel plate capacitor with plates of area1.04 m2whose plates are 1.30 cm apart. Thegap between the plates is filled with air (assume thatair is unity) and thepos…

1.) Consider a parallel plate capacitor with plates of area1.04 m 2 whose plates

1.) Consider a parallel plate capacitor with plates of area1.04 m2whose plates are 1.30 cm apart. Thegap between the plates is filled with air (assume thatair is unity) and thepos…

1.) Consider a parallel plate capacitor with plates of area1.04 m 2 whose plates

1.) Consider a parallel plate capacitor with plates of area1.04 m2whose plates are 1.30 cm apart. Thegap between the plates is filled with air (assume thatair is unity) and thepos…

1.) Consider a positive charge placed at point P . Based on the equipotential di

1.) Consider a positive charge placed at point P. Based on the equipotential diagram, will this charge naturally want to move to the left or to the right? Does the electric field …

1.) Consider the image formed by a thin diverging lens. Decide if the image will

1.) Consider the image formed by a thin diverging lens. Decide if the image will always, sometimes, or never meet each of the following conditions. (a) inverted never, always, som…

1.) Consider three charges q 1 = 5.7 nC, q 2 = 7.9 nC, and q 3 = - 3.1 nC, arran

1.) Consider three charges q1 = 5.7 nC, q2 = 7.9 nC, and q3 = -3.1 nC, arranged in a triangle as shown below. (a) What is the electric force acting on the charge at the origin? __…

1.) Consider two bicycles, notably A and B, which start from the same point and

1.) Consider two bicycles, notably A and B, which start from the same point and travel along the same straight line. Bicycle A travels for a time of 30.0 minutes (note: 60 seconds…

1.) Construct a Class definition to represent an employee of a company. Each emp

1.) Construct a Class definition to represent an employee of a company. Each employee is defined by an integer ID number, a double-precision pay rate, and the maximum number of ho…

1.) Define the following key terms and give an example of each that is not used

1.) Define the following key terms and give an example of each that is not used in the text: Force- Inertia- Mass- Weight- Momentum- Impulse- 3.) Place a book on a table and stand…

1.) Determine the force in memberGBof the truss and state if the member is in te

1.) Determine the force in memberGBof the truss and state if the member is in tension or compression. SetP 1= 0,P 2= 17kN. 2.)Determine the force in memberAFof the truss and state…

1.) Does every particle that has rest mass also have an anti-particle with which

1.) Does every particle that has rest mass also have an anti-particle with which it would annihilate? 2.) Does annihilation only occur between like particles? For example what hap…

1.) Due to a jaw injury, a patient must wear a strap (see the figure) that produ

1.) Due to a jaw injury, a patient must wear a strap (see the figure) that produces a net upward force of 7.90 N on his chin. The tension is the same throughout the strap. To what…

1.) Due to a jaw injury, a patient must wear a strap (see the figure) that produ

1.) Due to a jaw injury, a patient must wear a strap (see the figure) that produces a net upward force of 7.90 N on his chin. The tension is the same throughout the strap. To what…

1.) Estimate the natural frequency of a 0.5 L plastic water bottle if the temper

1.) Estimate the natural frequency of a 0.5 L plastic water bottle if the temperature of the surrounding air is 20 degres Celsius? 2.) Discuss what would happen to the period of o…

1.) Explain how it is possible that the average velocity of the helium molecules

1.) Explain how it is possible that the average velocity of the helium molecules is 0, while the RMS speed is not 0? 2.) Why do very light gases such as hydrogen not exist in Eart…

1.) Find and classify the critical points of each function. (a.) f(x,y)=x^2 ? xy

1.) Find and classify the critical points of each function. (a.) f(x,y)=x^2 ? xy + y^2 + 9x ? 6y +10 (b.) f(x,y)=2x^3 + xy^2 + 5x^2 + y^2 (c.) f(x,y)=3xy ? x^(2)y ? xy^2 (d.) f(x,…

1.) Find the equivalent capacitance when another capacitor of 3000 micro-farad i

1.) Find the equivalent capacitance when another capacitor of 3000 micro-farad is connected in series with the 1500 micro-farad capacitor. 2.) Now, the 3000 micro-farad capacitor …

1.) Find the instantaneous velocity at 0.5 s. Answer in units of m/s 2.) Find th

1.) Find the instantaneous velocity at 0.5 s. Answer in units of m/s 2.) Find the instantaneous velocity at 6.5 s. Answer in units of m/s 3.) Find the average velocity between 0 s…

1.) Five capacitors are connected across a potential difference V ab as shown in

1.) Five capacitors are connected across a potential difference Vab as shown in Figure. Because of the dielectrics used, each capacitor will break down if the potential across it …

1.) Flint glass has an index of refraction n =1.638 for red light and n = 1.675

1.)    Flint glass has an index of refraction n =1.638 for red light and n = 1.675 for blue light. (a)   How much faster (in m/s) does red light travelin this glass compared with …

1.) Following Activity 2-1, a 488 nF capacitor ( C ) is connected in series with

1.) Following Activity 2-1, a 488 nF capacitor (C) is connected in series with a 543 ? reference resistor (R0). [See Figure 8.4 in the manual.] Vmax, the signal generator?samplitu…

1.) For sinusoidal vibrations the lowest pitched bass sounds audible to humans h

1.) For sinusoidal vibrations the lowest pitched bass sounds audible to humans have wavelengths of about a.) 2 cm b.) 20 m c.) 1 Hz d.) 20 Hz e.) 20,000 Hz 2.) On a day when the t…

1.) For the entire trip from your front door to the bench, what is your average

1.) For the entire trip from your front door to the bench, what is your average velocity? 2.) For the entire trip from your front door to the bench, what is your average speed? Ex…

1.) For the figure shown above, find the direction of the current through the re

1.)For the figure shown above, find the direction of the current through the resistorRimmediately after the switch in the upper circuit has been closed. From bottom to top through…

1.) From your experimental and calculated data, calculate theK.E. of the ball be

1.) From your experimental and calculated data, calculate theK.E. of the ball before impact and the K.E. of the pendulum andball combination just after impact. Was the K.E. conser…

1.) Given a resistance of 151 and a capacitance of 185 F, what is t1/2? t1/2 = ?

1.) Given a resistance of 151 and a capacitance of 185 F, what is t1/2? t1/2 = ??? [milliseconds] (Answer to one tenth of a millisecond or N/A if there is no answer.) 2.) Given a …

1.) Given a resistance of 151 and a capacitance of 185 F, what is t1/2? t1/2 = ?

1.) Given a resistance of 151 and a capacitance of 185 F, what is t1/2? t1/2 = ??? [milliseconds] (Answer to one tenth of a millisecond or N/A if there is no answer.) 2.) Given a …

1.) How long must a 0.60-mm-diameter aluminum wire be to have a 0.52A current wh

1.) How long must a 0.60-mm-diameter aluminum wire be to have a 0.52A current when connected to the terminals of a 1.5 V flashlight battery? 2.) What is the current if the wire is…