Engineering analysis
218221 questions • Page 4113 / 4365
a) An 11.87 kg block travels on a rough horizontal surface and collides with a s
a) An 11.87 kg block travels on a rough horizontal surface and collides with a spring as shown above. The acceleration of gravity is 9.8 m/s2 . If the coe?cient of kinetic frictio…
a) An 1100-kg airplane starts from rest; 8.0s later reachesits takeoff speed of
a) An 1100-kg airplane starts from rest; 8.0s later reachesits takeoff speed of 35m/s. What is the average acceleration of theairplane during this time? b) A car is speeding up an…
a) An 86 kg person steps into a car of mass 2437 kg, causing it to sink 2.35 cm
a) An 86 kg person steps into a car of mass 2437 kg, causing it to sink 2.35 cm on its springs. Assuming no damping, with what frequency will the car and passenger vibrate on the …
a) An LC circuit is shown in the figure above. The 44 pF capacitor is initially
a) An LC circuit is shown in the figure above. The 44 pF capacitor is initially charged by the 6 V battery when S is at position a. Then S is thrown to position b so that the capa…
a) An Otto engine uses a gas having ? = 1.40 and has a compression ratio of 8.50
a) An Otto engine uses a gas having ? = 1.40 and has a compression ratio of 8.50. (a) Out of every gallon of fuel this engine burns, what fraction is wasted (i.e., produces energy…
a) An aircraft flies from San Francisco to New York, a distance of 5700 km, in 5
a) An aircraft flies from San Francisco to New York, a distance of 5700 km, in 5.5 h. The airspeed (speed relative to the air) of the plane is 800 km/h. How large a tailwind does …
a) An aircraft flies from San Francisco to New York, a distance of 5700 km, in 5
a) An aircraft flies from San Francisco to New York, a distance of 5700 km, in 5.5 h. The airspeed (speed relative to the air) of the plane is 800 km/h. How large a tailwind does …
a) An aircraft flies from San Francisco to New York, a distance of 5700 km, in 5
a) An aircraft flies from San Francisco to New York, a distance of 5700 km, in 5.5 h. The airspeed (speed relative to the air) of the plane is 800 km/h. How large a tailwind does …
a) An airplane of mass 17700 kg is flying in a straight line at a constant altit
a) An airplane of mass 17700 kg is flying in a straight line at a constant altitude and with a speed of 580.0 km/hr. The force that keeps the airplane in the air is provided entir…
a) An earth observer measures the length of a rod to be one meter with her measu
a) An earth observer measures the length of a rod to be one meter with her measuring stick. What would the earth observer measure for this length if the rod were on a spaceship mo…
a) An electric field of 436 N/C passes through an area of 3.9 cm 2 . Calculate t
a) An electric field of 436 N/C passes through an area of 3.9 cm2. Calculate the flux in N.m2/C, to 2 sf. You can assume that the electric field is perpendicular to the surface. b…
a) An electron enter a magnetic field. The magnetic field has a uniform strength
a) An electron enter a magnetic field. The magnetic field has a uniform strength 2.4 T and is oriented at a 45 degree angle to the electron's motion. A force of magnitude 9.2810^-…
a) An electron in a hydrogen atom has energy E = -3.40 eV, where the zero of ene
a) An electron in a hydrogen atom has energy E = -3.40 eV, where the zero of energy is at the ionization threshold. In the Bohr model, what is the angular momentum of the electron…
a) An electron in a hydrogen atom has energy E = -3.40 eV, where the zero of ene
a) An electron in a hydrogen atom has energy E = -3.40 eV, where the zero of energy is at the ionization threshold. In the Bohr model, what is the angular momentum of the electron…
a) An equation for the frequency as a function of wavelength, linear density, an
a) An equation for the frequency as a function of wavelength, linear density, and tension................................. b) According the equation you derived for (a), should a …
a) An ideal gas initially at 120 K undergoes an isobaric expansion at 6 kPa. If
a) An ideal gas initially at 120 K undergoes an isobaric expansion at 6 kPa. If the volume increases from 1.3 m3 to 1.4 m3 and 5.9 kJ of thermal energy is transferred to the gas, …
a) An iron ring is to fit snugly on a cylindrical iron rod.At 20 o C, the inner
a) An iron ring is to fit snugly on a cylindrical iron rod.At 20oC, the inner diameter of the ring is 6.420 cm. Toslip over the rod, the ring must be larger than the rod diameter,…
a) An object has a mass of 88 kg and is moving in a straight line with a speed o
a) An object has a mass of 88 kg and is moving in a straight line with a speed of35 m/s. A force is applied in the direction opposite to its motion that slows it down at a rate of…
a) An object has a mass of 88 kg and is moving in a straight line with a speed o
a) An object has a mass of 88 kg and is moving in a straight line with a speed of35 m/s. A force is applied in the direction opposite to its motion that slows it down at a rate of…
a) An object is placed in front of a concave mirror with a 47.0cm radius of curv
a) An object is placed in front of a concave mirror with a 47.0cm radius of curvature. A real image twice the size of the objectis formed (that is, the absolute value of the magni…
a) An object is placed in front of a convex mirror. Draw aconvex mirror (radius
a) An object is placed in front of a convex mirror. Draw aconvex mirror (radius of curvature = 15cm) to scale, and place an object 27 cm infront of it. Make the object height 4 cm…
a) An overflow occurs when the result of adding two number islarger than can be
a) An overflow occurs when the result of adding two number islarger than can be represented. for example, two 4-bit signednumbers will cause an overflow if their result is greater…
a) An overflow occurs when the result of adding two number islarger than can be
a) An overflow occurs when the result of adding two number islarger than can be represented. for example, two 4-bit signednumbers will cause an overflow if their result is greater…
a) An uncharged capacitor and a resistor are connected in series to a battery as
a) An uncharged capacitor and a resistor are connected in series to a battery as shown. If ? = 15 V, C = 20 an uncharged capacitor and a resistor are connected in series to a batt…
a) An upright cylinder, 1.00 m tall and closed at its lower end, is fitted with
a) An upright cylinder, 1.00 m tall and closed at its lower end, is fitted with a light piston that is free to slide (see the figure). Initially the piston is in the center. A cup…
a) An upright cylinder, 1.00 m tall and closed at its lower end, is fitted with
a) An upright cylinder, 1.00 m tall and closed at its lower end, is fitted with a light piston that is free to slide (see the figure). Initially the piston is in the center. A cup…
a) Answer true or false to the statements below; e.g., if the first one is true
a) Answer true or false to the statements below; e.g., if the first one is true and the rest are false, enter TFFFF. 1)If the plank remains horizontal, the force of the professor …
a) As a result of losing heat to the medium by conduction the temperature of the
a) As a result of losing heat to the medium by conduction the temperature of the body will change. Argue that dT/dt = - B(T-T1). This result is known as Newton's law of cooling. E…
a) As more complete mixed (CM) reactors in series are provided, the system becom
a) As more complete mixed (CM) reactors in series are provided, the system becomes more plug flow (PF). For a substance that decays according to first-order kinetics, what is the …
a) Assume a bus line with N stops, where distance between stops is S . Free flow
a) Assume a bus line with N stops, where distance between stops is S. Free flow speed of the bus is v, with acceleration and deceleration, a. P passengers per stop are boarding an…
a) Assume a bus line with N stops, where distance between stops is S . Free flow
a) Assume a bus line with N stops, where distance between stops is S. Free flow speed of the bus is v, with acceleration and deceleration, a. P passengers per stop are boarding an…
a) Assume friction is negligible. Three identical stones are thrown from the roo
a) Assume friction is negligible. Three identical stones are thrown from the roof of a building with the same initial speed vo. One is thrown at angle ? above the horizontal; one …
a) Assume friction is negligible. Three identical stones are thrown from the roo
a) Assume friction is negligible. Three identical stones are thrown from the roof of a building with the same initial speed vo. One is thrown at angle ? above the horizontal; one …
a) Assume that air pressure is 1.00 atm and the air temperature is 14.6o C. If t
a) Assume that air pressure is 1.00 atm and the air temperature is 14.6o C. If the abolute zero apparatus is open to the air, how many moles of air will it hold? moles b) Suppose …
a) Assuming a resistivity of 1 x 10 13 m,calculate the resistance between the en
a) Assuming a resistivity of 1 x 1013 m,calculate the resistance between the ends of a rubber band that is18 cm long and 1.6 mm in diameter. the answer was 8.95 E17. b) calculate …
a) Assuming that f=N, show that the coefficient of (rolling) friction for the ca
a) Assuming that f=N, show that the coefficient of (rolling) friction for the car moving down the inclined plane with a constant speed is gived by =m2/mccos. Use symbols, not numb…
a) At T=20 C , how long must an open organ pipe be to have a fundamental frequen
a) At T=20 C , how long must an open organ pipe be to have a fundamental frequency of 268 ? for this I got L= 0.640 m b) If this pipe is filled with helium, what is its fundamenta…
a) At a certain instant, a particle-like object is acted on by a force F = (3.0
a) At a certain instant, a particle-like object is acted on by a force F = (3.0 N) ihat - (3.0 N) jhat + (9.0 N) khat while the object's velocity is v = - (2.0 m/s) ihat + (4.0 m/…
a) At t = 0, mass M = 406 g is sliding on a rough surface at speed v o = 8.53 m/
a) At t = 0, mass M = 406 g is sliding on a rough surface at speed vo = 8.53 m/s. If the friction between the table and M brings it to rest: find W, the word done by friction to b…
a) At the bottom is a 3 step pulley; consisting ofthree wheels of different diam
a) At the bottom is a 3 step pulley; consisting ofthree wheels of different diameters.b) The rotating arm has two masses attached,and is screwed into the 3 step pulley. Whenthe pu…
a) At the bottom is a 3 step pulley; consisting ofthree wheels of different diam
a) At the bottom is a 3 step pulley; consisting ofthree wheels of different diameters.b) The rotating arm has two masses attached,and is screwed into the 3 step pulley. Whenthe pu…
a) At what depth in water is the pressure 37.6 times the pressure at the surface
a) At what depth in water is the pressure 37.6 times the pressure at the surface, which is at 1 ATM ? b) Two stars radiate as black bodies(e = 1). Star A has a radius three times …
a) At what distance from the center of the earth along a line from the earth to
a) At what distance from the center of the earth along a line from the earth to the moon is there no net force on a 10,000 kg spacecraft? This is the crossover point at which the …
a) At what point in space should a mass m=100kg be placed so that the Sun\'s gra
a) At what point in space should a mass m=100kg be placed so that the Sun's gravitational force on it is equal in magnitude but opposite in direction to the Earth's gravitational …
a) Atomicity b) Performance c) Consistency d) Reliability e) Serializability Wha
a) Atomicity b) Performance c) Consistency d) Reliability e) Serializability What kind of anomaly did we not discuss our exploration of interleaved transactions? a) Inconsistent r…
a) BD, slack, AB=AD=0, BC=-L, AC=5L/4, CD=-3L/4 b) BD, slack, AB=AD=BC=0, CD=-3L
a) BD, slack, AB=AD=0, BC=-L, AC=5L/4, CD=-3L/4 b) BD, slack, AB=AD=BC=0, CD=-3L/4, AC=5L/4 The rectangular frame is composed of four perimeter two-force members and two cables AC…
a) Before it leaves Earth you observe the length of another spacecraft to be 200
a) Before it leaves Earth you observe the length of another spacecraft to be 200 m. After take-off, the craft travels past Earth (to wave good bye!) while moving at a velocity of …
a) Both longitudinal and transversewaves can propagate through a solid. A wave o
a) Both longitudinal and transversewaves can propagate through a solid. A wave on the surface of aliquid can involve both longitudinal and transverse motion ofelements of the medi…
a) Brak is trying to close the door, but the big green guy wants to open it. Tha
a) Brak is trying to close the door, but the big green guy wants to open it. That's why they're pushing from opposite sides as shown in the figure. Brak is pushing 0.580 m from th…
a) By how much does the mass decrease when a hydrogen atom is formed from a prot
a) By how much does the mass decrease when a hydrogen atom is formed from a proton and an electron? Give your answer in atomic mass units. b) By how much does the mass decrease wh…
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