Engineering analysis

1) You and your friends are doing physics experiments on a frozen pond that serv

1) You and your friends are doing physics experiments on a frozen pond that serves as a frictionless, horizontal surface. Sam, with mass 72.0 kg , is given a push and slides eastw…

1) You and your friends are doing physics experiments on a frozen pond that serv

1) You and your friends are doing physics experiments on a frozen pond that serves as a frictionless, horizontal surface. Sam, with mass 72.0 kg , is given a push and slides eastw…

1) You are a world-famous physicist-lawyer defending a client who has been charg

1) You are a world-famous physicist-lawyer defending a client who has been charged with murder. It is alleged that your client, Mr. Smith, shot the victim, Mr. Wesson. The detecti…

1) You are designing an apparatus to monitor the breathing of a patient. The app

1) You are designing an apparatus to monitor the breathing of a patient. The apparatus consists of a stretchable loop of conductive material wrapped in a small band around the pat…

1) You are eating lunch at your favorite cafe and your friend calls and says he

1) You are eating lunch at your favorite cafe and your friend calls and says he wants to meet you. He is calling from a city 125 miles away and wants to meet you somewhere between…

1) You are given a straight piece of conductor that is 5.7 cm long and moves in

1) You are given a straight piece of conductor that is 5.7 cm long and moves in a region of uniform magnetic field of 2.1 T along the z-direction. If the conductor is oriented alo…

1) You are standing 1.5 m from a convex security mirror in a store. You estimate

1) You are standing 1.5 m from a convex security mirror in a store. You estimate the height of your image to be half of your actual height. Estimate the radius of curvature of the…

1) You are standing 5 m from a tractor when the operator starts it ip the intens

1) You are standing 5 m from a tractor when the operator starts it ip the intensity is 3 x10^-5 W/m^2. You move to 15 m away. By what factor did the sound intensity change? How mu…

1) You are standing in a cubical room where two adjacent walls are mirrors. You

1) You are standing in a cubical room where two adjacent walls are mirrors. You stand so that you are equidistant from the two mirrored walls. (a) How many images of yourself can …

1) You are standing on a bathroom scale inside an elevator. The scale reads 95%

1) You are standing on a bathroom scale inside an elevator. The scale reads 95% of your weight. What statement is correct? A) you could be slowing down while moving upward B) none…

1) You are the science officer on a visit to a distant solar system. Prior to la

1) You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 1.8 × 107 m and its rotation period to be 22.3 hou…

1) You are the science officer on a visit to a distant solar system. Prior to la

1) You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 1.8 × 107 m and its rotation period to be 22.3 hou…

1) You are trying to find q/m , the charge-to-mass ratio for a charged particle.

1) You are trying to find q/m, the charge-to-mass ratio for a charged particle. There is a region of magnetic field magnitude 27.3 T pointing out at you. - First: the particle pas…

1) You charge up a copper ball and wait a short time, allowing the ball to reach

1) You charge up a copper ball and wait a short time, allowing the ball to reach electrostatic equilibrium. Which combination of statements is most accurate? (A) The electric fiel…

1) You charge up a copper ball and wait a short time, allowing the ball to reach

1) You charge up a copper ball and wait a short time, allowing the ball to reach electrostatic equilibrium. Which combination of statements is most accurate? (A) The electric fiel…

1) You cool a 130.0g slug of red-hot iron (temperature 745 ?C) by dropping it in

1) You cool a 130.0g slug of red-hot iron (temperature 745 ?C) by dropping it into an insulated cup of negligible mass containing 85.0g of water at 20.0 ?C. Assume no heat exchang…

1) You have 16 kg of a radioactive sample with a certain half-life of 30 years.

1) You have 16 kg of a radioactive sample with a certain half-life of 30 years. How much is left after 90 years? a) 8kg b) 4kg c) 2kg d) 1kg 2) you have two samples, A (T1/2 = 10 …

1) You have a collection of three polarizers, and a source of unpolarized light

1) You have a collection of three polarizers, and a source of unpolarized light of intensity lo. [Answers to some of the following questions could be in the form: "0.2%", etc.] a)…

1) You have a summer job in the University ecology lab. Your supervisor asks you

1) You have a summer job in the University ecology lab. Your supervisor asks you to duplicate an electromagnet that she has borrowed. She tells you that this electromagnet is made…

1) You have an electric heater that works on the 120v voltage difference (which

1) You have an electric heater that works on the 120v voltage difference (which is the rms value). An ammeter was used to measure the current that passes through the heater and it…

1) You have two charged pieces of Scotch Magic tape. How would you determine if

1) You have two charged pieces of Scotch Magic tape. How would you determine if they like or unlike charges? What would you need to determine if they are charge positively or nega…

1) You look through a camera toward an image of a hummingbird in a plane mirror.

1) You look through a camera toward an image of a hummingbird in a plane mirror. The camera is 4.89 m in front of the mirror. The bird is at camera level, 5.95 m to your right and…

1) You measure a velocity of some particles many thousands of times, and find th

1) You measure a velocity of some particles many thousands of times, and find that the average is 90.7 m/s, and that the standard deviation on an individual measurement is 2 m/s. …

1) You own a mechanically ventilated swine facility. The dry bulb temperature in

1) You own a mechanically ventilated swine facility. The dry bulb temperature inside the facility is 50 degrees F and outside is only 30 degrees F. Inside you have a relative humi…

1) You shine both red and blue light through a double slit. What can you say abo

1) You shine both red and blue light through a double slit. What can you say about their interference patterns? A) The blue bright fringes will be closer together than will be the…

1) You take some data with Nichrome wire and you have a plot of R vs. LA -1 with

1) You take some data with Nichrome wire and you have a plot of R vs. LA-1 with the following equation from your computer y = 0.999 * x + 1.1. Someone gives you the same wire with…

1) You throw a stone vertically upward, and it feels no air resistance. Once it

1) You throw a stone vertically upward, and it feels no air resistance. Once it is free of your hand but moving upward, the two forces acting on it are the downward pull of gravit…

1) You throw a stone vertically upward, and it feels no air resistance. Once it

1) You throw a stone vertically upward, and it feels no air resistance. Once it is free of your hand but moving upward, the two forces acting on it are the downward pull of gravit…

1) You use your hand to stretch a spring to a displacement x from its equilibriu

1) You use your hand to stretch a spring to a displacement x from its equilibrium position and then slowly bring it back to that position. Which is true? a) The spring's change in…

1) You want to buy a generator for your house that can power your refrigerator,

1) You want to buy a generator for your house that can power your refrigerator, a space heater, and be able to charge your cell phone. What size generator would you buy and why? G…

1) You want to design an oval racetrack such that 3200 lb racecars can round the

1) You want to design an oval racetrack such that 3200 lb racecars can round the turns of radius 1000 ft at 103 mi/h without the aid of friction. You estimate that when elements l…

1) You want to design an oval racetrack such that 3200 lb racecars can round the

1) You want to design an oval racetrack such that 3200 lb racecars can round the turns of radius 1000 ft at 103 mi/h without the aid of friction. You estimate that when elements l…

1) You\'re investigating an oil spill for your state environmental protection ag

1) You're investigating an oil spill for your state environmental protection agency. There's a thin film of oil on water, and you know its refractive index is 1.32. You shine whit…

1) Your are sitting in your car, which is standing at the side of the road with

1) Your are sitting in your car, which is standing at the side of the road with the engine idling. In the rearview mirror, you see one of your class mates approaching on a bicycle…

1) Your company has designed a new product and provided you with an appropriate

1) Your company has designed a new product and provided you with an appropriate test vehicle for you to address the question of fatigue: In use the product will vary in temperatur…

1) a 0.86kg cart is connected to a 50 gram mass via string over a pulley. calcul

1) a 0.86kg cart is connected to a 50 gram mass via string over a pulley. calculate the tension of the string when the cart is held in place 2) calculate tension once the cart has…

1) a 2000 kg car is traveling on a banked curved icy road. the road is banked at

1) a 2000 kg car is traveling on a banked curved icy road. the road is banked at an angle of 15.0 degrees and has a radius of curvature of 500m. the velocity of the car necessary …

1) a = g sin?1. Assuming that Adam starts from rest at the top of the ramp and t

1) a = g sin?1. Assuming that Adam starts from rest at the top of the ramp and that you ignore the effect of friction, how fast would he be moving when he reaches the bottom of th…

1) a book of mass 3 kg rests on a plank. you tilt one end of the plank and slowl

1) a book of mass 3 kg rests on a plank. you tilt one end of the plank and slowly increase the angle of the tilt. the coefficient of static friction between the book and the plank…

1) a book of mass 3 kg rests on a plank. you tilt one end of the plank and slowl

1) a book of mass 3 kg rests on a plank. you tilt one end of the plank and slowly increase the angle of the tilt. the coefficient of static friction between the book and the plank…

1) a bullet of mass (m= 8.00g) is fired into a block of mass M =190 g that is in

1) a bullet of mass (m= 8.00g) is fired into a block of mass M =190 g that is initally at rest at the edge of a table of height h =1.00 m. The bullet remains in the block, and aft…

1) a cannon fires a shell that explodes that eplodes into two identical fragment

1) a cannon fires a shell that explodes that eplodes into two identical fragments at the higest point of its trajectory, a distance L from the cannon.  One of the fragments retrac…

1) a conducting sphere is charged up such that the voltage on its surface is 100

1) a conducting sphere is charged up such that the voltage on its surface is 100V (relative to infinity) If the sphere's radius were twice as large, but the charge on the sphere d…

1) a hair 8 inches long. If the medulla is 60 % of the shaft and measures ~30 mi

1) a hair 8 inches long. If the medulla is 60 % of the shaft and measures ~30 microns, what is the approximate total volume of the hair in m ^3? 2) it is needed 2.0 L HNO3 for you…

1) a hair 8 inches long. If the medulla is 60 % of the shaft and measures ~30 mi

1) a hair 8 inches long. If the medulla is 60 % of the shaft and measures ~30 microns, what is the approximate total volume of the hair in m ^3? 2) it is needed 2.0 L HNO3 for you…

1) a normal force is always perpendicular to the surface and equal to the weight

1) a normal force is always perpendicular to the surface and equal to the weight of the object that is in contact with the surface 2) the coefficient of static friction is always …

1) a normal force is always perpendicular to the surface and equal to the weight

1) a normal force is always perpendicular to the surface and equal to the weight of the object that is in contact with the surface 2) the coefficient of static friction is always …

1) a nutcracker is a mechanical device that makes work easier by: a) decreasing

1) a nutcracker is a mechanical device that makes work easier by: a) decreasing the output force b) increasing the output force 2) a ramp is a mechanical device that makes work ea…

1) a projectile is launched at t=0 with initial speed with vi=11.2m/s at an angl

1) a projectile is launched at t=0 with initial speed with vi=11.2m/s at an angle = 32 degrees above the horizontal. (a) what arev x and vy at the projectile's highest point? (b) …

1) a star follows a circular orbit around a supermassive black hole in the cente

1) a star follows a circular orbit around a supermassive black hole in the center of a galaxy at a distance of 1 light year with an orbital velocity of 3750 km/s. What is the mass…