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Engineering analysis

218221 questions • Page 67 / 4365

(a) What are the energies of the first three energy levels of an electron confin
(a) What are the energies of the first three energy levels of an electron confined in a one-dimensional box of length 0.78 nm? ___J (lowest energy level) ___J (next-lowest energy …
(a) What current flows? A (b) Calculate the power supplied to the bulb using I 2
(a) What current flows? A (b) Calculate the power supplied to the bulb using I2Rbulb. W (c) Is this power the same as calculated using V2/Rbulb (where V is the voltage drop across…
(a) What does the balance read when the elevator is ascending with a constant sp
(a) What does the balance read when the elevator is ascending with a constant speed of 37 m/s? (b) What does the balance read when the elevator is descending with a constant speed…
(a) What does the balance read when the elevator is ascending with a constant sp
(a) What does the balance read when the elevator is ascending with a constant speed of 37 m/s? (b) What does the balance read when the elevator is descending with a constant speed…
(a) What does the slope of the graph at location A indicate? acceleration instan
(a) What does the slope of the graph at location A indicate? acceleration instantaneous velocity average velocity none of the above (b) What is the slope of the graph at location …
(a) What force does each side of the nutcracker shown in Figure 5.32 exert on a
(a) What force does each side of the nutcracker shown in Figure 5.32 exert on a nut 3.00 cm from the pivot? The hand exerts a perpendicular force of 47.5 N on each side at a dista…
(a) What force is exerted by the Sun on the Moon? 1 N (b) What force is exerted
(a) What force is exerted by the Sun on the Moon? 1 N (b) What force is exerted by the Earth on the Moon? 2 N (c) What force is exerted by the Sun on the Earth? 3 N Useful Planeta…
(a) What force is exerted by the atmosphere on a disk-shaped region 2.00 m in ra
(a) What force is exerted by the atmosphere on a disk-shaped region 2.00 m in radius at the surface of a methane ocean? N (b) What is the weight of a 10.0-m deep cylindrical colum…
(a) What fraction of initially unpolarized light makes it through a polarizer (c
(a) What fraction of initially unpolarized light makes it through a polarizer (call in #1) whose polarization axis is vertical? (b) What is the polarization of light after it pass…
(a) What frequency is received by a person watching an oncoming ambulance moving
(a) What frequency is received by a person watching an oncoming ambulance moving at 31.9 m/s and emitting a steady 753 Hz sound from its siren? The speed of sound on this day is 3…
(a) What frequency is received by a person watching an oncoming ambulance moving
(a) What frequency is received by a person watching an oncoming ambulance moving at 105 km/h and emitting a steady 893 Hz sound from its siren? The speed of sound on this day is 3…
(a) What frequency is received by a person watching an oncoming ambulance moving
(a) What frequency is received by a person watching an oncoming ambulance moving at 105 km/h and emitting a steady 893 Hz sound from its siren? The speed of sound on this day is 3…
(a) What is a contract? 2 marks (b)The trend ia towarda writing contracts, inclu
(a) What is a contract? 2 marks (b)The trend ia towarda writing contracts, including engineering contracts, in plain, intelligible language, However, it is not easy to keep commer…
(a) What is in Newtons the magnitude of the force acting on the top charge (q 3
(a) What is in Newtons the magnitude of the force acting on the top charge (q3) due to the bottom left charge (q1)? (b) What is in degrees the direction of the force acting on the…
(a) What is meant by a negative object distance? Describe a specific situation i
(a) What is meant by a negative object distance? Describe a specific situation in which a negative object distance can occur. (Do this on paper. Your instructor may ask you to tur…
(a) What is meant by the term “transient” in the Transient Thermal Study? (b) Ex
(a) What is meant by the term “transient” in the Transient Thermal Study? (b) Explain the fundamental analogy between “Mesh Size” and “Time Increment” from a modeling approach. Be…
(a) What is surface tension? How is it measured experimentally? How does it depe
(a) What is surface tension? How is it measured experimentally? How does it depend on temperature? (b) From the results in Table II and III, what are the main conclusions? How doe…
(a) What is the acceleration as it moves the first 0.21 cm? 1 m/s 2 (b) How long
(a) What is the acceleration as it moves the first 0.21 cm? 1 m/s2 (b) How long does it take to move the 2.1-cm distance in the nose? 2 ms (c) Sketch a graph of vx(t). vx(t). A ty…
(a) What is the acceleration of the spool? Take positive to be to the right. A s
(a) What is the acceleration of the spool? Take positive to be to the right. A spool of thread consists of a cylinder of radius R1 = 6.3 cm with end caps of radius R2 = 11.4 cm as…
(a) What is the amplitude of the resultantelectric field at point P ? 1 µV/m (b)
(a) What is the amplitude of the resultantelectric field at point P? 1 µV/m (b) What is the ratio of the intensity at point P to theintensity at the center of the interference pat…
(a) What is the angular frequency of the circuit when R = 0? rad/s (b) What valu
(a) What is the angular frequency of the circuit when R = 0? rad/s (b) What value must R have to give a 5.0% decrease in angular frequency compared to the value calculated in part…
(a) What is the angular separation of two stars if their images are barely resol
(a) What is the angular separation of two stars if their images are barely resolved by a refracting telescope with a lens diameter of 90 cm and a focal length of 14 m. Assume ? = …
(a) What is the angular separation of two stars if their images are barely resol
(a) What is the angular separation of two stars if their images are barely resolved by a refracting telescope with a lens diameter of 110 cm and a focal length of 17 m. Assume = 5…
(a) What is the angular separation of two stars if their images are barely resol
(a) What is the angular separation of two stars if their images are barely resolved by a refracting telescope with a lens diameter of 58 cm and a focal length of 15 m. Assume ? = …
(a) What is the angular separation of two stars if their images are barely resol
(a) What is the angular separation of two stars if their images are barely resolved by a refracting telescope with a lens diameter of 100 cm and a focal length of 13 m. Assume ? =…
(a) What is the angular separation of two stars if their images are barely resol
                    (a) What is the angular separation of two stars if their images are barely resolved by a refracting telescope with a lens diameter of 100 cm and a focal       …
(a) What is the angular speed of the ball when its motion becomes a pure rolling
(a) What is the angular speed of the ball when its motion becomes a pure rolling motion? A bowling ball of mass M and radius R is released onto the surface of a bowling lane with …
(a) What is the angular speed of the ball when its motion becomes a pure rolling
(a) What is the angular speed of the ball when its motion becomes a pure rolling motion? (b) How far down the bowling lane does the ball travel before this happens? A bowling ball…
(a) What is the angular velocity of the two after the collision? rad/s (b) What
(a) What is the angular velocity of the two after the collision? rad/s (b) What is the kinetic energy before and after the collision? KEi KEf KEi = J KEf = J The figure shows an o…
(a) What is the apparent weight of the pilot at the highest point in his traject
(a) What is the apparent weight of the pilot at the highest point in his trajectory? N (b) What is the apparent weight of the pilot at the bottom of his trajectory? N (c) At what …
(a) What is the apparent weight of the pilot at the highest point in his traject
(a) What is the apparent weight of the pilot at the highest point in his trajectory? N (b) What is the apparent weight of the pilot at the bottom of his trajectory? N (c) At what …
(a) What is the average induced emf in the coilduring this rotation? in mV (b) I
(a) What is the average induced emf in the coilduring this rotation? in mV (b) If the coil is made of copper with a diameter of 0.900 mm, whatis the average current that flows thr…
(a) What is the average kinetic energy (in J) of helium atoms in a region of the
(a) What is the average kinetic energy (in J) of helium atoms in a region of the solar corona where the temperature is 5.20 105 K? (b) Suppose that the average velocity (vrms) of …
(a) What is the average number of cycles per instruction (CPI) for each program?
(a) What is the average number of cycles per instruction (CPI) for each program? (b) Which program completes execution earlier? (c) When you compare two programs is it always true…
(a) What is the average number of cycles per instruction (CPI) for each program?
(a) What is the average number of cycles per instruction (CPI) for each program? (b) Which program completes execution earlier? (c) When you compare two programs is it always true…
(a) What is the average translational kinetic energy of a nitrogen molecule at S
(a) What is the average translational kinetic energy of a nitrogen molecule at STP? ___J (b) What is the total translational kinetic energy of 1.00 mol of N2 molecules at 40°C? __…
(a) What is the best coefficient of for a heat pump that has a hot 5.05 of 40.0°
(a) What is the best coefficient of for a heat pump that has a hot 5.05 of 40.0°c and a cold reservolr (b) How much heat transfer (In kcal) occurs nto the warm environment it 3,60…
(a) What is the best coefficient of performance for a heat pump that has a hot r
(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 51.3°C and a cold reservoir temperature of 13.7°C? (b) How much heat in kil…
(a) What is the best coefficient of performance for a heat pump that has a hot r
(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 50.0°C and a cold reservoir temperature of -20.0°C? 4.61 (b) How much heat …
(a) What is the best coefficient of performance for a heat pump that has a hot r
(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 60.0°C and a cold reservoir temperature of -20.0°C? (b) How much heat in ki…
(a) What is the best coefficient of performance for a heat pump that has a hot r
(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 52.0°C and a cold reservoir temperature of -22.0°C? (b) How much heat in ki…
(a) What is the best coefficient of performance for a heat pump that has a hot r
(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 56.0°C and a cold reservoir temperature of -22.0°C? (b) How much heat in ki…
(a) What is the best coefficient of performance for a heat pump that has a hot r
(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 44.0 What is the best coefficient of performance for a heat pump that has a…
(a) What is the capacitance of the system? 1 pF (b) If the charges are changed t
(a) What is the capacitance of the system? 1 pF (b) If the charges are changed to +186 pC and -186 pC, what does thecapacitance become? 2 pF (c) What does the potential difference…
(a) What is the change in potential energy of a 600 kg coastercar as it moves fr
(a) What is the change in potential energy of a 600 kg coastercar as it moves from C to A? (height for C = 20 m, B = 2 m & A = 14 m) (b) What is the kinetic energy of the coas…
(a) What is the change of electrical potential energy of a proton which moves th
(a) What is the change of electrical potential energy of a proton which moves through a potential difference of +21 V (measured in electron volts)? eV (b) What is the change of el…
(a) What is the charge on the capacitor? Answer = _______________ C (b) The swit
(a) What is the charge on the capacitor? Answer = _______________ C (b) The switch is opened at t = 0 s. At what time hasthe charge on the capacitor decreased to 10% of its initia…
(a) What is the charge on the upper plate of the capacitor just as the switch th
(a) What is the charge on the upper plate of the capacitor just as the switch throw is moved to contact b? C (b) What is the current just after the switch throw is rotated to cont…
(a) What is the coefficient of kinetic friction between the crate and the floor?
(a) What is the coefficient of kinetic friction between the crate and the floor? ?k =   (b) If the 200-N force is instead pulling the block at an angle of 20.0 above the horizonta…
(a) What is the coefficient of kinetic friction between the crate and the floor?
(a) What is the coefficient of kinetic friction between the crate and the floor? b)If the 700 N force is instead pulling the block at an angle of 20.0° above the horizontal as sho…