Engineering analysis

1)A force is applied on a pulley as shown above. What is the torque (in unit of

1)A force is applied on a pulley as shown above. What is the torque (in unit of N.m) delivered by the force? 2)The mass of a cylindrical shell is .2 kg. The R value is .05 m and t…

1)A glass windowpane in a home is 0.62 cm thick and has dimensions of 1.1 m × 1.

1)A glass windowpane in a home is 0.62 cm thick and has dimensions of 1.1 m × 1.8 m. On a certain day, the indoor temperature is 23°C and the outdoor temperature is 0°C. (a) What …

1)A golf ball has one-tenth the inertia and three times the speed of a baseball.

1)A golf ball has one-tenth the inertia and three times the speed of a baseball. Part A What is the ratio of the magnitudes of their momenta? Express your answer using three signi…

1)A grapefruit thrown horizontally at 28.6 m/s from the roofof a building lands

1)A grapefruit thrown horizontally at 28.6 m/s from the roofof a building lands 39.4 m from the base of the building. (The baseis just under the location where the grapefruit was …

1)A harmonic oscillator consisting of a spring with spring constant 9.8 N/m and

1)A harmonic oscillator consisting of a spring with spring constant 9.8 N/m and an unknown mass has a frequency of 0.9 Hz. What is the mass? 2) An ideal massless spring is hanging…

1)A high-speed flywheel in a motor is spinning at 500 rpm when a power failure s

1)A high-speed flywheel in a motor is spinning at 500 rpm when a power failure suddenly occurs. The flywheel has mass 45.0 kg and diameter 75.0 cm . The power is off for 32.0s and…

1)A jet airplane is in level flight. The mass of the airplane is m = 9010 kg. Th

1)A jet airplane is in level flight. The mass of the airplane is m = 9010 kg. The plane travels at a constant speed around a circular path of radius R = 9.77 miles and makes one r…

1)A jet airplane is in level flight. The mass of the airplane is m = 9010 kg. Th

1)A jet airplane is in level flight. The mass of the airplane is m = 9010 kg. The plane travels at a constant speed around a circular path of radius R = 9.77 miles and makes one r…

1)A jet airplane is in level flight. The mass of the airplane is m = 9010 kg. Th

1)A jet airplane is in level flight. The mass of the airplane is m = 9010 kg. The plane travels at a constant speed around a circular path of radius R = 9.77 miles and makes one r…

1)A jet airplane is in level flight. The mass of the airplane is m = 9010 kg. Th

1)A jet airplane is in level flight. The mass of the airplane is m = 9010 kg. The plane travels at a constant speed around a circular path of radius R = 9.77 miles and makes one r…

1)A laser beam spreads out if it goes through a narrow gap or hole due to uncert

1)A laser beam spreads out if it goes through a narrow gap or hole due to uncertainty principle, correct? but why a laser beam coming out from a "narrow hole" of a laser pointer/e…

1)A long wire carries 100 A of current that is perpandicularto the magnetic fiel

1)A long wire carries 100 A of current that is perpandicularto the magnetic field lines of a uniform magnetic field of 5mT. At what distance from the wire is the net fieldzero? 2)…

1)A molecule of DNA (deoxyribonucleic acid) is 2.29 µm long. The ends of the mol

1)A molecule of DNA (deoxyribonucleic acid) is 2.29 µm long. The ends of the molecule become singly ionized: negative on one end, positive on the other. The helical molecule acts …

1)A particle of mass 0.002 gram and carrying a charge of 2 coulombs moves from r

1)A particle of mass 0.002 gram and carrying a charge of 2 coulombs moves from rest through a region of potential difference of 6 V. What is the final speed of the particle? 2) Th…

1)A particle starts from rest at position A at a time t = 0 seconds and changes

1)A particle starts from rest at position A at a time t = 0 seconds and changes its speed thereafter at a constant rate of 2.3 m/s2 as it follows the horizontal path shown. The li…

1)A person cannot see clearly closer than 2.0 m. What is the power of lens the p

1)A person cannot see clearly closer than 2.0 m. What is the power of lens the person needs to see an object at 20 cm from eyes? 2)Of the following distances, which is the closest…

1)A person stands on a bathroom scale in a motionless elevator.When the elevator

1)A person stands on a bathroom scale in a motionless elevator.When the elevator begins to move, the scale briefly reads only0.61 of the person's regular weight.Calculate the acce…

1)A pitched baseball of mass .200kg, arives at home plate with a speed of 40m/s

1)A pitched baseball of mass .200kg, arives at home plate with a speed of 40m/s and is batted straight back to the picture (at the same height) with a return speed of 60m/s. negle…

1)A point mass attached to a massless bar without a pivot at one end rotates uni

1)A point mass attached to a massless bar without a pivot at one end rotates uniformly around the pivot point with a speed 20m/s at a radius of 6 m from the axis of rotation. What…

1)A point mass attached to a massless bar without a pivot at one end rotates uni

1)A point mass attached to a massless bar without a pivot at one end rotates uniformly around the pivot point with a speed 20m/s at a radius of 6 m from the axis of rotation. What…

1)A point source of light is located 4.5 m below the surface of a large pool of

1)A point source of light is located 4.5 m below the surface of a large pool of water. Find the area of the largest circle on the pool's surface through which light coming directl…

1)A portable animal cage that weighs 5,165 N rests on thefloor. How much work (i

1)A portable animal cage that weighs 5,165 N rests on thefloor. How much work (in J) is required to lift it 6.0 mvertically, at constant speed? (Answer: 3.10x10^4) 2)A steel ball …

1)A proton, which moves perpendicular to a magnetic field of 1.2 T in a circular

1)A proton, which moves perpendicular to a magnetic field of 1.2 T in a circular path of radius 0.080 m, has what speed? (qp = 1.6 x 10-19 C and mp = 1.67 x 10-27 kg) 9.2 x 106 m/…

1)A rectangular current loop is 14.9 cm long and 12 cm wide. The loop carries 3.

1)A rectangular current loop is 14.9 cm long and 12 cm wide. The loop carries 3.4 amps in a magnetic field of 2.8 T. What is the torque on the loop if oriented at a 30° relative t…

1)A resistor with resistance R and a capacitor with capacitance C are connected

1)A resistor with resistance R and a capacitor with capacitance C are connected in series to an AC voltage source. The time-dependent voltage across the capacitor is given by VC(t…

1)A resistor with resistance R and a capacitor with capacitance C are connected

1)A resistor with resistance R and a capacitor with capacitance C are connected in series to an AC voltage source. The time-dependent voltage across the capacitor is given by VC(t…

1)A rigid current loop is placed in a uniform magnetic field that is directed ou

1)A rigid current loop is placed in a uniform magnetic field that is directed out of the page as shown. The current is clockwise as shown. What, if anything, happens to the loop? …

1)A rock is projected from the edge of the top of a building with an initial vel

1)A rock is projected from the edge of the top of a building with an initial velocity of 18.6 m/s at an angle of 32? above the horizontal. The rock strikes the ground a horizontal…

1)A rock is projected from the edge of the top of a building with an initial vel

1)A rock is projected from the edge of the top of a building with an initial velocity of 18.6 m/s at an angle of 32? above the horizontal. The rock strikes the ground a horizontal…

1)A rock of mass m is dropped to the ground from a height h. A second rock, with

1)A rock of mass m is dropped to the ground from a height h. A second rock, with mass 3m, is dropped from the same height. When the second rock strikes the ground, which of the fo…

1)A rookie quarterback throws a football with an initial upward velocity compone

1)A rookie quarterback throws a football with an initial upward velocity component of 15.8 m/s and a horizontal velocity component of 20.3 m/s. Ignore air resistance. a)How much t…

1)A rookie quarterback throws a football with an initial upward velocity compone

1)A rookie quarterback throws a football with an initial upward velocity component of 15.8 m/s and a horizontal velocity component of 20.3 m/s. Ignore air resistance. a)How much t…

1)A small object has a mass of 3.3 10-3 kg and a charge of -35 µC. It is placed

1)A small object has a mass of 3.3 10-3 kg and a charge of -35 µC. It is placed at a certain spot where there is an electric field. When released, the object experiences an accele…

1)A small-scale steam engine might operate between the temperatures of 20C and 3

1)A small-scale steam engine might operate between the temperatures of 20C and 300C, with a maximum steam pressure of 10 bars. Calculate the eciency of this engine according to th…

1)A softball of mass 0.220 kg that is moving with a speed of 8.5 m/s collides he

1)A softball of mass 0.220kg that is moving with a speed of 8.5m/s collides head-on and elastically with another ball initially at rest. Afterward the incoming softball bounces ba…

1)A solid ball, a solid disk, and a hoop, all with the same mass and the same ra

1)A  solid  ball,  a  solid  disk,  and  a  hoop,  all  with  the  same mass and the same radius, are set rolling without slipping up an incline, all with the same initial energy.…

1)A solid disk (r=0.20 m, M=0.50 kg) is suspended fro the end of an L=0.30m long

1)A solid disk (r=0.20 m, M=0.50 kg) is suspended fro the end of an L=0.30m long rod (m=0.30 kg, cross-sectional area of 2.0 cm^2). This pendulum is suspended on a frictionless pi…

1)A solid disk (r=0.20 m, M=0.50 kg) is suspended fro the end of an L=0.30m long

1)A solid disk (r=0.20 m, M=0.50 kg) is suspended fro the end of an L=0.30m long rod (m=0.30 kg, cross-sectional area of 2.0 cm^2). This pendulum is suspended on a frictionless pi…

1)A solid wire with a radius of 3.00 mm carries a current of 0.0530 A. Assume th

1)A solid wire with a radius of 3.00 mm carries a current of 0.0530 A. Assume the current is uniformly distributed in the wire. (a) What is the magnetic field strength at the cent…

1)A solid, frictionless cylinder reel of mass M = 2.99 kg and radius R = 0.403 m

1)A solid, frictionless cylinder reel of mass M = 2.99 kg and radius R = 0.403 m is used to draw water from a well. A bucket of mass m = 2.07 kg is attached to a cord that is wrap…

1)A surface encloses the charges q 1 = 3.2 C , q 2 = 7.1 C , and q 3 = -3.9 C .F

1)A surface encloses the charges q1 = 3.2 C , q2 = 7.1 C , and q3 = -3.9 C .Find the electric flux through this surface. 2) Four pairs of conducting spheres, all with the same rad…

1)A transformer is to be used to provide power for a computer drive. The number

1)A transformer is to be used to provide power for a computer drive. The number of turns in the primary is 1000, and it delivers a secondary current of 600 milliamperes (mA) at a …

1)A uniform solid ball of radius r=1.00 cm starts from rest at a height h and ro

1)A uniform solid ball of radius r=1.00 cm starts from rest at a height h and rolls without slipping along a loop-the-loop track of radius R=0.50 m. What is the smallest value of …

1)A wave on a string is described by the relation y = A sin(75 t -0.048 x ), whe

1)A wave on a string is described by the relation y =A sin(75t -0.048x), where t ismeasured in seconds and x in meters, with A =0.29 m. What is the maximum speed of apoint on the …

1)A)Suppose that Arpod hits a baseball so that it leaves his bat at a speed of v

1)A)Suppose that Arpod hits a baseball so that it leaves his bat at a speed of v0 feet per second at an angle of 25o towards the outfield wall. Find the position vector, r(t), tha…

1)According to the Bohr model of the hydrogen atom A) an electron in ground stat

1)According to the Bohr model of the hydrogen atom A) an electron in ground state can absorb a photon with wavelength of 410 nm B) an electron in great shape can absorb a photon w…

1)After falling 19 m , a 0.057-kg tennis ball has a speed of 15 m/s (the ball\'s

1)After falling 19 m , a 0.057-kg tennis ball has a speed of 15 m/s (the ball's initial speed is zero). A)Determine the average resistive force of the air in opposing the ball's m…

1)After falling 19 m , a 0.057-kg tennis ball has a speed of 15 m/s (the ball\'s

1)After falling 19 m , a 0.057-kg tennis ball has a speed of 15 m/s (the ball's initial speed is zero). A)Determine the average resistive force of the air in opposing the ball's m…

1)All the capacitors in the circuit are the same. Which capacitors are in series

1)All the capacitors in the circuit are the same. Which capacitors are in series with one another such that they will store the same amount of charge? For example, if capacitors 1…

1)An 8.00 kg point mass and a 12.0 kg point mass are held in place 50.0 cm apart

1)An 8.00 kg point mass and a 12.0 kg point mass are held in place 50.0 cm apart. A particle of mass m is released from a point between the two masses 15.0cm from the 8.00 kg mass…