Engineering analysis

1. A train is traveling along a straight, horizontal track at a constant speed t

1. A train is traveling along a straight, horizontal track at a constant speed that is only slightly less than that of light. A warning light on the ground flashes once each secon…

1. A train is traveling along a straight, horizontal track with a constant accel

1. A train is traveling along a straight, horizontal track with a constant acceleration in the forward direction. At the instant the speed is 50 mph, a ball is dropped by an obser…

1. A train is traveling along a straight, horizontal track with a constant accel

1. A train is traveling along a straight, horizontal track with a constant acceleration in the forward direction. At the instant the speed is 50 mph, a ball is dropped by an obser…

1. A train moving at a constant speed of 52.0 km/h moves east for 38.0 min, then

1. A train moving at a constant speed of 52.0 km/h moves east for 38.0 min, then in a direction 45.0° east of due north for 21.0 min, and then west for 65.0 min. What is the avera…

1. A train sounds its horn as it approaches an intersection. The horn can just b

1. A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 48 dB by an observer 10 km away. (a) What is the average power generated by t…

1. A train sounds its horn as it approaches an intersection. The horn can just b

1. A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 48 dB by an observer 10 km away. (a) What is the average power generated by t…

1. A train sounds its horn as it approaches an intersection. The horn can just b

1. A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 48 dB by an observer 10 km away. (a) What is the average power generated by t…

1. A train starts from rest andaccelerates uniformly, until it has traveled 2.1

1.      A train starts from rest andaccelerates uniformly, until it has traveled 2.1 km and acquired avelocity of 24 m/s. The train then moves at a constantvelocity of 24 m/s for …

1. A transformer for an answering machine takes an AC voltageof 170 V. (maximum,

1. A transformer for an answering machine takes an AC voltageof 170 V. (maximum, or peak-to-peak) as its input and provides 7.8V (rms) as its output to the answering machine. A) W…

1. A transformer is built inside a cell charger to change 120-V source from a wa

1. A transformer is built inside a cell charger to change 120-V source from a wall outlet to a lower voltage ac source. If the charger draws an average power of 10.0 W with a curr…

1. A transformer whose primary winding has twice as many turns as its secondary

1. A transformer whose primary winding has twice as many turns as its secondary winding is used to convert the alteranting current voltage of Vp = 0.9 V to Vs = 8.6 V. The current…

1. A transverse sinusoidal wave is traveling on a string. The displacement of th

1. A transverse sinusoidal wave is traveling on a string. The displacement of the particles on the string is foundto vary as:y(t) = a sin(bx ct + 2) Where a = 0.01 m, b = 3 m1 and…

1. A travels at 25.0 m/s for 2.60 min, motorist drives south 20.0 m/s min, then

1. A travels at 25.0 m/s for 2.60 min, motorist drives south 20.0 m/s min, then turns west and values and finally northwest for 3.00 min trip, find the following travels at 30.0 m…

1. A travels at 25.0 m/s for 2.60 min, motorist drives south 20.0 m/s min, then

1. A travels at 25.0 m/s for 2.60 min, motorist drives south 20.0 m/s min, then turns west and values and finally northwest for 3.00 min trip, find the following travels at 30.0 m…

1. A trooper is moving due south along the freeway at a speed of o, a red 40 m/

1. A trooper is moving due south along the freeway at a speed of o, a red 40 m/ car passes the trooper. The red car moves with constant velocity s southward. At the instant the tr…

1. A truck is travelling at a speed of 60 km/h such that its wheels are rolling

1. A truck is travelling at a speed of 60 km/h such that its wheels are rolling perfectly without slippage. What is the speed, in m/s, of a point on top of the wheel? zero 11.9 m/…

1. A truck moves away from you at constant velocity (as observed by you while st

1. A truck moves away from you at constant velocity (as observed by you while standing in the middle of the road). Which of the following is true? A truck moves away from you at c…

1. A truck with a mass of 1500 kg is traveling along a long starch of road at 35

1. A truck with a mass of 1500 kg is traveling along a long starch of road at 35 m/s. When suddenly an automated Tesla with a mass of 950 kg run head on into the truck. If there i…

1. A truck with mass in has a brake failure while going down an icy mountain roa

1. A truck with mass in has a brake failure while going down an icy mountain road of constant downward lope angle alpha. Initially the truck is moving downhill at speed v0. After …

1. A truck, initially at rest, rolls conservatively down a hill of height h and

1. A truck, initially at rest, rolls conservatively down a hill of height h and attains a speed of 6.0 m/s at the bottom. If the truck then rolls conservatively down a hill that i…

1. A trunk that weighs 500 N isresting on a carpet. The coefficient of static fr

1.      A trunk that weighs 500 N isresting on a carpet. The coefficient of static frictionbetween the trunk and the carpet is 0.40. The coefficient ofkinetic friction is 0.20. a.…

1. A trunk that weighs 500 N isresting on a carpet. The coefficient of static fr

1.      A trunk that weighs 500 N isresting on a carpet. The coefficient of static frictionbetween the trunk and the carpet is 0.40. The coefficient ofkinetic friction is 0.20. a.…

1. A tsunami travelled 3700km in 5.2h. If the frequencywas 2.9 * 10 -4 Hz, what

1.   A tsunami travelled 3700km in 5.2h. If the frequencywas 2.9 * 10-4 Hz, what was its wavelength. (Ans: 680km) 2.   A grandfather clock has a long pendulum with anadjustable ma…

1. A tube open on one end only is 1 m long. If the speed of sound in air is 340

1. A tube open on one end only is 1 m long. If the speed of sound in air is 340 m/s, what is the lowest frequency at which the tube will resonate? 2. The tube in problem 1 is fill…

1. A tube, open at both ends, is cut into four shorter pieces of unequal length.

1. A tube, open at both ends, is cut into four shorter pieces of unequal length. The shorter pieces have fundamental frequencies of 225, 335, 445 and 555 Hz, respectively. What wa…

1. A typical garden hose has an inner diameter of 5/8\". Let\'s say you connect

1. A typical garden hose has an inner diameter of 5/8". Let's say you connect it to a faucet and the water comes out of the hose with a speed of 7.0 feet per second. If you then p…

1. A typical person has an average heart rate of 73.0 beats/min. Calculate the f

1. A typical person has an average heart rate of 73.0 beats/min. Calculate the following: (a) How many beats does she have in 8.0 years? (b) How many beats in 8.00 years? (c) And …

1. A uniform 9.5m long ladder of mass 18.0kg leans against a smooth wall (so the

1. A uniform 9.5m long ladder of mass 18.0kg leans against a smooth wall (so the force exerted by the wall is perpendicular to the wall). The ladder makes a 20degree angle with th…

1. A uniform disk of mass 1 kg is spinning on its (vertical) axis of symmetry (r

1. A uniform disk of mass 1 kg is spinning on its (vertical) axis of symmetry (remember rotational inertia of a disk is given by 0.5mr^2), with an angular velocity of 6 rad/s. A p…

1. A uniform disk of radius R is cut in half so that the remaining half has mass

1. A uniform disk of radius R is cut in half so that the remaining half has mass M. (a) What is the moment of inertia of this half about an axis perpendicular to its plane through…

1. A uniform electric field 380V/m is directed out of the page. A proton moves w

1. A uniform electric field 380V/m is directed out of the page. A proton moves with a constant velocity from left to right at 35m/s. The proton experiences a magnetic force in add…

1. A uniform electric field of magnitude 375 N/C point- ing in the positive x-di

1. A uniform electric field of magnitude 375 N/C point- ing in the positive x-direction acts on an electron, which is initially at rest. After the electron has moved 3.20 cm, what…

1. A uniform magnetic field B with magnitude 1.2 mT is directed verticallyupward

1.      A uniform magnetic fieldB with magnitude 1.2 mT is directed verticallyupward throughout the volume of a laboratory chamber. A proton withkinetic energy 5.3MeV enters the c…

1. A uniform magnetic field points upward, parallel to the page, and has a magni

1. A uniform magnetic field points upward, parallel to the page, and has a magnitude of 7.85 mT. A negatively charged particle (q = ?3.32 ?C, m = 2.05 pg) moves through this field…

1. A uniform meter stick with a mass of 290g is supported horizontally by two ve

1. A uniform meter stick with a mass of 290g is supported horizontally by two vertical strings, one at the 0-cm mark and the other at the 90-cmmark(Figure 1) . Part A What is the …

1. A uniform plank of length 2.00 m and mass 34.0 kg is supported by three ropes

1. A uniform plank of length 2.00 m and mass 34.0 kg is supported by three ropes, as indicated by the blue vectors in the figure below. Find the tension in each rope when a 675-N …

1. A uniform rod of mass M and length L can turn in a horizontal plane about a f

1. A uniform rod of mass M and length L can turn in a horizontal plane about a frictionless vertical axle is threaded onto the rod and is held in place attached to one end of the …

1. A uniform spherical globe (1.- Sm,) having a radius of 15 cm and a mass of 0.

1. A uniform spherical globe (1.- Sm,) having a radius of 15 cm and a mass of 0.05 kg, rotates about its vertical axis on frictionless bearings. A light chord is wound around the …

1. A uniformily charged thin ring has radius 15.0 cm and total charge of -20.0 n

1. A uniformily charged thin ring has radius 15.0 cm and total charge of -20.0 nC. A proton (mp=1.67*10^-27 kg) is placed on the ring's axis a distance 30.0 cm from the center of …

1. A uniformly charged ring with total charge q = 3.10 µC and radius R = 18.5 cm

1. A uniformly charged ring with total charge q = 3.10 µC and radius R = 18.5 cm is placed with its center at the origin and oriented in the xy plane. What is the difference betwe…

1. A useful instrument for evaluating fibromyalgia and trigger-point tenderness

1. A useful instrument for evaluating fibromyalgia and trigger-point tenderness is the Doloriometer or Algorimeter. This device consists of a force meter attached to a circular pr…

1. A vector measurement of the rate and direction of motion or the rate and dire

1. A vector measurement of the rate and direction of motion or the rate and direction of the change in the position of an object a. Velocity b. Speed c. Acceleration d. Displaceme…

1. A vehicle traveling at 25 km/hour has kinetic energy equal to 1 x 104J. a. Wh

1. A vehicle traveling at 25 km/hour has kinetic energy equal to 1 x 104J. a. What is the mass of the vehicle? b. If the velocity of the vehicle is increased to 45 km/hour, what i…

1. A velocity selector uses a 60 mT magnetic field perpendicular to a 24 kN/C el

1. A velocity selector uses a 60 mT magnetic field perpendicular to a 24 kN/C electric field. Part A At what speed will charged particles pass through the selector undeflected? v=…

1. A vertical spring with a spring constant of 450N.m ismounted on the floor. Fr

1. A vertical spring with a spring constant of 450N.m ismounted on the floor. From directly above the spring , which isunstrained, a 0.30kg block is dropped from rest. It collides…

1. A vertical tube with a tap at the base is filled withwater, and a tuning fork

1. A vertical tube with a tap at the base is filled withwater, and a tuning fork vibrates over its mouth. As thewater level is lowered in the tube, the resonance is heard when the…

1. A vertically polarized beam of light of intensity 100 W/m2 passes through a p

1. A vertically polarized beam of light of intensity 100 W/m2 passes through a polarizer with its polarizing axis at 60 degrees with the vertical. What is the intensity of the tra…

1. A vibrating string is cut in half. The fundamental frequency of the string wi

1. A vibrating string is cut in half. The fundamental frequency of the string will be... a. doubled b. unchanged c. reduced by half 2.On a pipe organ, for a closed pipe, if you do…

1. A vinyl LP of diameter 30cm rotates at 33 1/3 rev/min. What is the minimum co

1. A vinyl LP of diameter 30cm rotates at 33 1/3 rev/min. What is the minimum coefficient of static friction required to hold a penny at the outer edge of the LP? 2. Particles of …

1. A violin string is 32cm longbetween its fixed ends and has a mass of 2.2g. Th

1.      A violin string is 32cm longbetween its fixed ends and has a mass of 2.2g. The openstring (no finger applied) sounds an A note (440 Hz). a.       A. Calculate the tension …