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What characteristic of a fluid would greatly increases the physical and mathematical complexity of fluid mechanics? describe some physical examples for this fluid properrty and what describe what e
Find the resistance that must be placed in series with a 10.0 galvanometer having a 125 µA sensitivity to allow it to be used as a voltmeter with a 500 V full-scale reading. (Answer to
A double convex thin glass lens has equal radii of curvature. The focal length of the lens is +37.3 cm and the index of refraction of the glass is 1.52. The radius of curvature of each convex surfac
Determine the maximum heights to which m = 1 and m = 2 rise on the curved portion of the track after the collision.
If it were to undergo gravitational collapse to a neutron star of radius 13 km, losing 3/4 of its mass in the process, what would its rotation speed be? Assume the star is a uniform sphere at all ti
What is the average vector force the ball exerts on the bat during their interaction?
A steep cliff west of Lydia's home reflects a 980-kHz radio signal from a station that is 68 km due east of her home. If there is destructive interference, what is the minimum distance of the cliff
How much series capacitance needs to be added to increase the power factor to 1.0?
The angular momentum of a spinning wheel is 235kg. After application of a constant braking torque for2.0s, it slows and has a new angular momentum of 120kg. What is the torque applied?
30-turn coil of wire of dimensions 8 cm by 5 cm. It carries a current of 0.140 A and is hinged along one long side. It is mounted in the xy plane, at an angle of 30° to the direction of a unifor
An electron moving at 3.70 x 103 m/s in a 1.45 T magnetic field experiences a magnetic force of 1.40 x 10-16 N. What angle does the velocity of the electron make with the magnetic field? There are two
Four standing wave segments, or loops, are observed on a string fixed at both ends as it vibrates at a frequency of 140hz. what is the fundemental frequency of the string?
An certain resistor dissipates 0.5 W when connected to a 3 V potential difference. When connected to a 1 V potential difference, this resistor will dissipate:
Monatomic molecules adsorbed on a surfase are free to move on this surface and can be treated as a classical ideal two dimensional gas .At absolute temperture T. What is the heat capacity per mole o
A block of mass m collides elastically with a block of mass M. Before the collision, m is moving with velocity vx = V and M is moving at vx = -3.0V. Afterwards, M is moving at vx = 3.3V. (a) What i
What is the magnitude of the force exerted by the water on the bottom of the container?
One half mole of ideal gas is taken front state a to state c. (a go down to b and b to c in a line) a pressure is 4.0x10^5, V is .002m^3, b pressure is 2.0x10^5, V is .003m^3 and c pressure is 2.0x
A solenoid of radius 2.40 cm has 430 turns and a length of 19.0 cm. (a) Find its inductance. (b) Find the rate at which current must change through it to produce an emf of 74.0 µV.
A child loses his balloon, which rises slowly into the sky. If the balloon is 16 cm in diameter when the child loses it, what is its diameter at the following altitudes? Assume that the balloon is v
The magnitude of this field varies with time according to B= 3.47t3, wheretis measured in seconds and Bin teslas. What is the induced current in the coil att= 2.53 s?
The pressure in each of your car tires is 2.10 multiply.gif 105 Pa. The mass of your car is 1700 kg. Assuming that each of your tires bears one-quarter of the total load, what is the contact area o
A 0.245-H inductor and a 290 Ω resistor are connected in series to a 15.0-V battery. What is the maximum current that flows in the circuit?
Two straight rods 55 cm long and 1.4 mm apart in a current balance carry currentI,each in opposite directions. If a mass of 1.3 g when placed on the upper rod balances the magnetic force of repulsi