Engineering analysis

1) A standard bathroom scale is placed on an elevator. A 26 kg boy enters the el

1) A standard bathroom scale is placed on an elevator. A 26 kg boy enters the elevator on the first floor and steps on the scale. What will the scale read (in newtons) when the el…

1) A standard deviation of your measurements on some distance (i)____ and the st

1) A standard deviation of your measurements on some distance (i)____ and the standard deviation multiplied by confidence coefficient (ii)___. (i) does not have units (ii) has uni…

1) A standard deviation of your measurements on some distance (i)____ and the st

1) A standard deviation of your measurements on some distance (i)____ and the standard deviation multiplied by confidence coefficient (ii)___. (i) does not have units (ii) has uni…

1) A state that shall remain nameless has poor water infrastructure (a-hem- lifo

1) A state that shall remain nameless has poor water infrastructure (a-hem- lifornia). A 0.12m radius pipe is broken. The pipe runs under a freeway that is 100m wide. The break is…

1) A steel ball with a diameter of 10 cm is subjected to a pressure that causes

1) A steel ball with a diameter of 10 cm is subjected to a pressure that causes the volume of the ball to shrink by 0.01%. The bulk modulus for steel is 16.0 1) A steel ball with …

1) A sticky ball is shot with a speed of 12 m/s and it makes a head-on collision

1) A sticky ball is shot with a speed of 12 m/s and it makes a head-on collision with an identical stationary sticky ball. Both balls are identical and the collision is perfectly …

1) A stone is thrown from the top of a building at an angle of 25* upward with r

1) A stone is thrown from the top of a building at an angle of 25* upward with respect to the horizontal and with an initial speed of 15 m/s. If the stone is in flight for 3.0 s, …

1) A street lamp weighs 157 N. It is supported equally by two wires that form an

1) A street lamp weighs 157 N. It is supported equally by two wires that form an angle of 111 with each other. What is the tension of each of these wires? Answer in units of N 2) …

1) A strong wind blows due east with a constant speed of 50mph . An airplane tra

1) A strong wind blows due east with a constant speed of 50mph. An airplane travels from one city to another which is due north, moving with a speed of 130mph relative to the air.…

1) A student has built a 17-cm-long pinhole camera for a science fair project. S

1) A student has built a 17-cm-long pinhole camera for a science fair project. She wants to photograph her 170-cm-tall friend and have the image on the film be 5.3 cm high. How fa…

1) A submarine dives to a depth of 500 feet. The interior of submarine is mainta

1) A submarine dives to a depth of 500 feet. The interior of submarine is maintained at atmospheric pressure. What is the gauge pressure and total force applied to a hatch 2 feet …

1) A subnet mask of 255.255.255.224 with a destination IP address of 192.168.12.

1) A subnet mask of 255.255.255.224 with a destination IP address of 192.168.12.135 is applied to a packet. Which subnet is the packet sent to? 2) A computer is assigned an IP add…

1) A swimming pool has the dimensions 31 m long × 7.2 m wide × 2.1 m deep. When

1) A swimming pool has the dimensions 31 m long × 7.2 m wide × 2.1 m deep. When it is filled with water, what is the force (resulting from the water alone) on (a) the bottom, (b) …

1) A tall, cylindrical chimney falls over whenits base is ruptured. Treat the ch

1)    A tall, cylindrical chimney falls over whenits base is ruptured. Treat the chimney as a thin rod oflength 55.0 m. At the instant it makes an angle of 35.0°with the vertical …

1) A teenager pushes tangentially on a small hand-driven merry-go-round and is a

1) A teenager pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 14.2 rpm in 11.8 s. Assume the merry-go-round is a…

1) A telescope has a main mirror that magnifies 63 times and an eyepiece lens th

1) A telescope has a main mirror that magnifies 63 times and an eyepiece lens that magnifies 11 times. What is the overall magnification of this telescope? 2) A student measures t…

1) A telescope has a main mirror that magnifies 63 times and an eyepiece lens th

1) A telescope has a main mirror that magnifies 63 times and an eyepiece lens that magnifies 11 times. What is the overall magnification of this telescope? 2) A student measures t…

1) A tennis ball of mass m = 0.060 kg and speed v = 25 m/sstrikes a wall at a 45

1) A tennis ball of mass m = 0.060 kg and speed v = 25 m/sstrikes a wall at a 45-degree angle. It rebounds with the samespeed, once again at a 45-degree angle. What is the magnitu…

1) A thin 1 m long copper rod in a uniform magnetic field has amass of 50 g. Whe

1) A thin 1 m long copper rod in a uniform magnetic field has amass of 50 g. When the rod carries a current of .245 A, it floatsin the magnetic field. What is the field strength o…

1) A thin concave-convex lens has its concave surface of radius 20cm and its con

1) A thin concave-convex lens has its concave surface of radius 20cm and its convex surface of radius 10cm. Its index of refraction is 1.5, and an object of height 5cm is located …

1) A thin gold ring of radius 1.02 cm carries a uniform charge per unit length o

1) A thin gold ring of radius 1.02 cm carries a uniform charge per unit length of 1.03e-14 C/m. Find the electric field on the axis of the ring 1.10 cm from the center. 2) The ear…

1) A thin rod (length = 1.79 m) is oriented vertically, with its bottom end atta

1) A thin rod (length = 1.79 m) is oriented vertically, with its bottom end attached to the floor by means of a frictionless hinge. The mass of the rod may be ignored, compared to…

1) A toddler pushes a box of kittens down a wavy slide with height h = 2m. The m

1) A toddler pushes a box of kittens down a wavy slide with height h = 2m. The magnitude of the work done by friction is 4 J. The box of kittens has a mass of 2 kg. What is the sp…

1) A total charge Q = -1.6 uC is distributed uniformly over a quarter circle arc

1) A total charge Q = -1.6 uC is distributed uniformly over a quarter circle arc of radius a = 9.8 cm as shown. What is ? the linear charge density along the arc? Your answer has …

1) A total charge of 4.03 C is distributed on two metal spheres. When the sphere

1) A total charge of 4.03 C is distributed on two metal spheres. When the spheres are 10.00 cm apart, they each feel a repulsive force of 3.3*10^11 N. How much charge is on the sp…

1) A total charge of 4.03 C is distributed on two metal spheres. When the sphere

1) A total charge of 4.03 C is distributed on two metal spheres. When the spheres are 10.00 cm apart, they each feel a repulsive force of 3.3*10^11 N. How much charge is on the sp…

1) A toy ball swings in a horiztonal circle 2.4 meters in diameter making 45 rev

1) A toy ball swings in a horiztonal circle 2.4 meters in diameter making 45 revolutions in 1.7 minutes. The shadow of the ball is projected to the wall by a distant light. What a…

1) A tractor T is pulling a trailer M with a constant acceleration. If the forwa

1) A tractor T is pulling a trailer M with a constant acceleration. If the forward acceleration is 1.5 m/s2 and M = 400 kg and T = 500 kg, then the force on the tractor due to the…

1) A train travels with a constant velocity of 100km/h. Another train travels in

1) A train travels with a constant velocity of 100km/h. Another train travels in opposite direction on a parallel track. The speed of the two trains is the same. John is a passeng…

1) A transverse traveling wave is made on a long slinky. Thetransverse displacem

1) A transverse traveling wave is made on a long slinky. Thetransverse displacement is given by D = 0.17sin(3.4x + 69t), where D and x are in meters and t is inseconds. What is th…

1) A transverse traveling wave is made on along slinky. The transverse displacem

1) A transverse traveling wave is made on along slinky. The transverse displacement is given by D =0.94sin(8.7x + 72t), where D and x are in meters and t is inseconds. What is the…

1) A triangle with equal sides of length 0.70 ×10^3 mhas -2.5-C charged objects

1) A triangle with equal sides of length 0.70 ×10^3 mhas -2.5-C charged objects at each corner. Determine the magnitude of the electrical force exerted on the object at the top co…

1) A truck with a mass of 1520 kg and moving with a speed of 15.0 m/s rear-ends

1) A truck with a mass of 1520 kg and moving with a speed of 15.0 m/s rear-ends a 647-kg car stopped at an intersection. The collision is approximately elastic since the car is in…

1) A two Truck is dragging a stalled car of mass 1000 kg a distance of 0.5 km. T

1) A two Truck is dragging a stalled car of mass 1000 kg a distance of 0.5 km. The cable makes an angle of 25 degrees with the road and the tension in the cable is 4000 N. Startin…

1) A uniform 3.0-m plank weighing 150 N is suspended by vertical ropes at either

1) A uniform 3.0-m plank weighing 150 N is suspended by vertical ropes at either end. A 410-N child stands 0.80 m from the left end of the plank. By summing the torques about an a…

1) A uniform cylindrical pop (soda) can of mass 0.140 kg is 12.0 cm tall and fil

1) A uniform cylindrical pop (soda) can of mass 0.140 kg is 12.0 cm tall and filled with 1.31kg of pop (soda). Small holes are drilled in the top and bottom to drain the pop (soda…

1) A uniforrm magnetic field exists in a region of space and points from left to

1) A uniforrm magnetic field exists in a region of space and points from left to right. A vertical metal ro rod A) The top of the rod is positive and the bottom of the rod is nega…

1) A vector has components Ax = 58 m and Ay = 15 m. Find the lengthof angle it m

1) A vector has components Ax = 58 m and Ay = 15 m. Find the lengthof angle it makes with the x axis. (Answer should be insignificant figure) 2) An airplane flies 200 km due west …

1) A vertical cylindrical cylinder, closed at the bottom end, contains 0.0100 mo

1) A vertical cylindrical cylinder, closed at the bottom end, contains 0.0100 moles of gas. It is fitted at the top with a piston, which can move freely. The mass of the piston is…

1) A very thin horizontal, 2.00-m long, 5.00-kg uniform beam that lies along the

1) A very thin horizontal, 2.00-m long, 5.00-kg uniform beam that lies along the east-west direction is acted on by two forces. At the east end of the beam, a 200-N force pushes d…

1) A visitor to a lighthouse wishes to determine the height of the tower. The vi

1) A visitor to a lighthouse wishes to determine the height of the tower. The visitor ties a spool of thread to a small rock to make a simple pendulum, then hangs the pendulum dow…

1) A wall socket has current (1) of 3.0 A, and a volt (V) of 120 V. If a vacuum

1) A wall socket has current (1) of 3.0 A, and a volt (V) of 120 V. If a vacuum cleaner i connected to that socket, a back emf ( of 72 V will form from the electric motor a) What …

1) A wave pulse propogating on a guitar string is defined by the wavefunction y(

1)      A wave pulse propogating on a guitar string is defined by the wavefunction y(x,t) = 2.0/[(x-3t)2+1]   The string has a length of 12m, and is attached to a wall on each end…

1) A wave pulse propogating on a guitar string is defined by the wavefunction y(

1)      A wave pulse propogating on a guitar string is defined by the wavefunction y(x,t) = 2.0/[(x-3t)2+1]   The string has a length of 12m, and is attached to a wall on each end…

1) A weight lifter is lifting a dumbbell that weighs 75.0 lbs. The biceps muscle

1) A weight lifter is lifting a dumbbell that weighs 75.0 lbs. The biceps muscle exerts a force FM upward on the forearm at a point 2in. from the elbow joint, as shown in the pict…

1) A wheel of radius 1.0m is rotating with a constant angular speed of 2.0 rad/s

1) A wheel of radius 1.0m is rotating with a constant angular speed of 2.0 rad/s. What is the centripetal acceleration of a point on the wheel's rim? 2) A car is negotiating a fla…

1) A wheel of radius 160 cm is has an angular velocity of 400 radians per minute

1) A wheel of radius 160 cm is has an angular velocity of 400 radians per minute. What is the linear velocity of the wheel in kilometers per hour? 2) An average sized Frisbee has …

1) A wheel with a radius of 5 m is spinning with an angular velocity of +40 rad/

1) A wheel with a radius of 5 m is spinning with an angular velocity of +40 rad/s. a) What is the period of rotation? b) What is the magnitude of the tangent velocity? c) What is …

1) A wire carrying 15 A makes a 23 angle with a uniform magnetic field. The magn

1) A wire carrying 15 A makes a 23 angle with a uniform magnetic field. The magnetic force per unit length of wire is 0.34 N/m . Part A What is the magnetic field strength? In (mT…

1) A wire carrying 15 A makes a 23 angle with a uniform magnetic field. The magn

1) A wire carrying 15 A makes a 23 angle with a uniform magnetic field. The magnetic force per unit length of wire is 0.34 N/m . Part A What is the magnetic field strength? In (mT…