Engineering analysis

1. A 22 year-old biologist makes a trip to study life forms in a distant planet

1. A 22 year-old biologist makes a trip to study life forms in a distant planet 17 light-years away. The round trip including a stay of 1 year in the distant planet takes 38 years…

1. A 24.5 kg child sits on a bathroom scale which is placed on the seat of a swi

1. A 24.5 kg child sits on a bathroom scale which is placed on the seat of a swing.  What does the scale read when the swing is at rest?  The child begins to swing back and forth …

1. A 240 dc motor takes an armature current of 20A when running at 960 r/min. Th

1. A 240 dc motor takes an armature current of 20A when running at 960 r/min. The armature resistance is 0.2ohm. Determine the no load speed, assuming negligible losses. 2. A 220 …

1. A 240 dc motor takes an armature current of 20A when running at 960 r/min. Th

1. A 240 dc motor takes an armature current of 20A when running at 960 r/min. The armature resistance is 0.2ohm. Determine the no load speed, assuming negligible losses. 2. A 220 …

1. A 25.0-Ohm light bulb is connected across the terminals of a 12.0-V battery h

1. A 25.0-Ohm light bulb is connected across the terminals of a 12.0-V battery having 3.50 Ohm of internal resistance. a) What is current in the circuit? b) What is the rate of co…

1. A 2575 kg demolition ball swings from the end of a crane, The length of the s

1. A 2575 kg demolition ball swings from the end of a crane, The length of the swinging segment of cable is 15 m. Assuming the system can be treated as a simple pendulum what is t…

1. A 265-kV power transmission line carrying 584 A is hung from grounded metal t

1. A 265-kV power transmission line carrying 584 A is hung from grounded metal towers by ceramic insulators, each having a 1.08×109 resistance. Calculate the power dissipated by 7…

1. A 28.7 kg block (m1) is on a horizontal surface, connected to a 7.0 kg block

1. A 28.7 kg block (m1) is on a horizontal surface, connected to a 7.0 kg block (m2) by a massless string as shown below. The frictionless pulley has a radius R = 0.069 m and a mo…

1. A 283 g air track glider moving at 0.69 m/s on a 2.4 m long air track collide

1. A 283 g air track glider moving at 0.69 m/s on a 2.4 m long air track collides elastically with a 467 g glider at rest in the middle of the horizontal track. The end of the tra…

1. A 2N-point DFT is applied on a 2N-point time-domain vector. The first N point

1. A 2N-point DFT is applied on a 2N-point time-domain vector. The first N points in that vector consist of a sampled sinewave with period M samples and N=iM. The last N samples a…

1. A 2m straight wire carrying 5A current runs horizontally and experienced 8N h

1. A 2m straight wire carrying 5A current runs horizontally and experienced 8N horizontal force while in a 2 T magnetic field. Find direction of the magnetic field with respect to…

1. A 3-kg block of wood is floating in water.What is the magnitude of the buoyan

1. A 3-kg block of wood is floating in water.What is the magnitude of the buoyant force acting on the block? A.2.9 N B, 9.8 N 30N C.29.8 N E.ON -3.DKg9.91hog-a9.SN 0 m 2. A manufa…

1. A 3.0-kg ball with an initial velocity of (4i +3j) m/s collides with a wall a

1. A 3.0-kg ball with an initial velocity of (4i +3j) m/s collides with a wall and rebounds with a velocity of (-4i+3j) m/s. What is the impulse exerted on the ball by the wall? 2…

1. A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectly ine

1. A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectly inelastic collision with a 6.0 kg object moving to the left at 2.0 m/s. What is the total kinetic ener…

1. A 3.00 kg block moves down a 25 degree incline at constantvelocity. Find the

1. A 3.00 kg block moves down a 25 degree incline at constantvelocity. Find the coefficient of kinetic friction between theblock and the incline. (g= 9.81 m/s2) 2. A crate of book…

1. A 3.00 kg steel ball strikes a wall with a speed of 10.0 m/s at an angle of 6

1. A 3.00 kg steel ball strikes a wall with a speed of 10.0 m/s at an angle of 60.0° with the surface. It bounces off with the same speed and angle. If the ball is in contact with…

1. A 3.02 kg particle has the xy coordinates (-1.31 m, 0.182 m), and a 5.94 kg p

1. A 3.02 kg particle has the xy coordinates (-1.31 m, 0.182 m), and a 5.94 kg particle has the xy coordinates (0.209 m, -0.251 m). Both lie on a horizontal plane. At what (a) x a…

1. A 3.0kg body is at rest on a frictionless horizontal air track when a constan

1. A 3.0kg body is at rest on a frictionless horizontal air track when a constant horizontal force F acting in the positive direction of an x axis along the track is applied to th…

1. A 3.42kg object connected to a ceiling by a spring (with a spring constant of

1. A 3.42kg object connected to a ceiling by a spring (with a spring constant of 12 N/m) on Earth experiences simple harmonic motion. what is the period of oscillation of this exp…

1. A 3.50 g bullet is firedhorizontally at two blocks resting on a smooth surfac

1.      A 3.50 g bullet is firedhorizontally at two blocks resting on a smooth surface. The      bullet passes through the first block,with mass 1.20 kg and embeds itself in the  …

1. A 3.58-microF capacitor is charged by being connected across a 12.0-V battery

1. A 3.58-microF capacitor is charged by being connected across a 12.0-V battery.(a) Find the charge on the capacitor. (b) Find the potential energy of the charged capacitor. *Cor…

1. A 30.0-g metal ball having net charge Q = 5.00 µC is thrown out of a window h

1. A 30.0-g metal ball having net charge Q = 5.00 µC is thrown out of a window horizontally at a speed v = 20.0 m/s. The window is at a height h = 20.0 m above the ground. A unifo…

1. A 30.0-kg child starting from rest slides down a water slide with a vertical

1. A 30.0-kg child starting from rest slides down a water slide with a vertical height of 20.0m. If friction is ignored, a) find the child's speed halfway down the slide's vertica…

1. A 300 g block is attached to alight horizontal spring. The block is free to s

1.      A 300 g block is attached to alight horizontal spring. The block is free to slide on ahorizontal table. A force of 25 N compresses the spring 20cm. a.       A. What is the…

1. A 31kg child slides down a playground slide at a constant speed . The slide h

1. A 31kg child slides down a playground slide at aconstant speed. The slide has a height of 3.6mand is 7.4m long. Using the law of conservation of energy, find the magnitude of t…

1. A 33-? resistor has a voltage difference of 8 V across its leads. (a) What is

1. A 33-? resistor has a voltage difference of 8 V across its leads. (a) What is the current through the resistor? ________ A (b) What is the power being dissipated in this resist…

1. A 35 Kg pack is carried up a 2200 m-High Mountain in 8 hours a) How much work

1. A 35 Kg pack is carried up a 2200 m-High Mountain in 8 hours a) How much work is done? b) What is the power applied in this case? 2. An object of mass 450 Kg is raised to a hig…

1. A 35 turn coil ofradius 4.9 cm rotates in a uniformmagnetic field having a ma

1.   A 35 turn coil ofradius 4.9 cm rotates in a uniformmagnetic field having a magnitude of 0.52 T. If the coil carries a current of35 mA, find the magnitude of themaximum torque…

1. A 4 kg block of some unknown material is suspended from a spring scale and su

1. A 4 kg block of some unknown material is suspended from a spring scale and submerged in water. The spring scale reads 33.7 N. a) What's the specific gravity of the block? b) Wh…

1. A 4 kg mass is resting on a ramp inclined at an angle of 30 degrees with resp

1. A 4 kg mass is resting on a ramp inclined at an angle of 30 degrees with respect to the horizontal. A string is attached to the 4 kg mass and passes over a frictionless pulley …

1. A 4-kg mass is launched with zero initial velocity on a frictionless circular

1. A 4-kg mass is launched with zero initial velocity on a frictionless circular track. The speed of the mass at point 1 is 20 m/s. The mass than travels along a rough horizontal …

1. A 4.0 kg block is placed on an inclined plane ofinclination 60 o at a height

1. A 4.0 kg block is placed on an inclined plane ofinclination 60o at a height 2.0 above the ground. Theblock starts from rest and slides down the plane. If thecoefficient of kine…

1. A 4.0 kg block moving with a velocity of +4.0 m/s makes an elastic collision

1. A 4.0 kg block moving with a velocity of +4.0 m/s makes an elastic collision with a stationary block of mass 2.1 kg. (a) Use conservation of momentum and the fact that the rela…

1. A 4.0 kg block moving with a velocity of +4.0 m/s makes an elastic collision

1. A 4.0 kg block moving with a velocity of +4.0 m/s makes an elastic collision with a stationary block of mass 2.1 kg. (a) Use conservation of momentum and the fact that the rela…

1. A 4.0 m^3 rigid tank contains 3.7 kg of superheated water vapor initially at

1. A 4.0 m^3 rigid tank contains 3.7 kg of superheated water vapor initially at .20MPA . An electric radiator heating device is placed inside the rigid tank. The electric radiator…

1. A 4.00-?F and a 6.00-?F capacitor are connected in series, and this combinati

1. A 4.00-?F and a 6.00-?F capacitor are connected in series, and this combination is connected across a 48.0-V potential difference. a. Calculate the charge on each capacitor. b.…

1. A 40.0- kg girl stands on a 15.0- kg wagon holding two 19.5- kg weights. She

1. A 40.0-kg girl stands on a 15.0-kg wagon holding two 19.5-kg weights. She throws the weights horizontally off the back of the wagon at a speed of 5.0 m/s relative to herself . …

1. A 45-m length of wire is stretched horizontally between two vertical posts. T

1. A 45-m length of wire is stretched horizontally between two vertical posts. The wire carries a current of 68 A and experiences a magnetic force of 0.15 N. Find the magnitude of…

1. A 45kg box is being pushed up an incline (theta 27 degrees) at constant speed

1. A 45kg box is being pushed up an incline (theta 27 degrees) at constant speed. What is the magnitude of force F? Assume ms=0.36 and mk=0.31 2. A hanging weight (m1=37kg) is con…

1. A 45kg box is being pushed up an incline (theta 27 degrees) at constant speed

1. A 45kg box is being pushed up an incline (theta 27 degrees) at constant speed. What is the magnitude of force F? Assume ms=0.36 and mk=0.31 2. A hanging weight (m1=37kg) is con…

1. A 46-kg pole vaulter running at 12 m/s vaults over the bar. Her speed when sh

1. A 46-kg pole vaulter running at 12 m/s vaults over the bar. Her speed when she is above the is bar is 1.3 m/s. Neglect air resistance, as well as any energy absorbed by the pol…

1. A 5-kg steel ball traveling horizontally strikes a massive wall at 10m/s and

1. A 5-kg steel ball traveling horizontally strikes a massive wall at 10m/s and rebounds elastically, returning horizontally back on its original path at 8 m/s. If it is in contac…

1. A 5-kg steel ball traveling horizontally strikes a massive wall at 10m/s and

1. A 5-kg steel ball traveling horizontally strikes a massive wall at 10m/s and rebounds elastically, returning horizontally back on its original path at 8 m/s. If it is in contac…

1. A 5-turn square loop (side length = 4.0cm) has a resistance of 0.50 and is no

1. A 5-turn square loop (side length = 4.0cm) has a resistance of 0.50 and is normal to a constant 0.85T magnetic field so that it has a maximum flux through the area of the loop.…

1. A 5-turn square loop (side length = 4.0cm) has a resistance of 0.50 and is no

1. A 5-turn square loop (side length = 4.0cm) has a resistance of 0.50 and is normal to a constant 0.85T magnetic field so that it has a maximum flux through the area of the loop.…

1. A 5.0-C charge is 10 m from a -2.0-C charge. The electrostatic force is on th

1. A 5.0-C charge is 10 m from a -2.0-C charge. The electrostatic force is on the positive charge is: A) 9.0 x 10 N toward the negative charge B) 9.0 108 N away from the negative …

1. A 5.0-g mass is sandwiched between two springs with spring constants K1 and K

1. A 5.0-g mass is sandwiched between two springs with spring constants K1 and K2. The mass is displaced 10 cm from its quilibrium postion and makes sixteen complete oscillations …

1. A 5.0-g mass is sandwiched between two springs with spring constants K1 and K

1. A 5.0-g mass is sandwiched between two springs with spring constants K1 and K2. The mass is displaced 10 cm from its quilibrium postion and makes sixteen complete oscillations …

1. A 5.59-mm-high firefly sits on the axis of, and 11.3 cm in front of, the thin

1. A 5.59-mm-high firefly sits on the axis of, and 11.3 cm in front of, the thin lens A, whose focal length is 6.23 cm. Behind lens A there is another thin lens, lens B, with foca…

1. A 5.8 -kg bucket of water is raised from a well by a rope. If the upward acce

1. A 5.8-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.6 m/s2, find the force exerted by the rope on the bucket. 2. A block of …