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In constructing a large mobile, an artist hangs an aluminum sphere of mass 5.3{\rm kg} from a vertical steel wire 0.42{\rm m} long and 3.0×10?3{\rm cm^2} in cross-sectional area. On the bottom of the sphere he attaches a similar steel wire, from which he hangs a brass cube of mass 14.1{\rm kg} .
a) Compute the tensile strain for the top wire.
b) Compute the tensile strain for the bottom wire.
c) Compute the elongation strain for the top wire.
d) Compute the elongation strain for the bottom wire.
A 2 cm diameter, 5 cm long capillary-tube viscometer is being used to measure viscosity of a 10 Pa s liquid food. Determine the pressure required for measurementhen a flow rate of 1 kg/min
An oil-filled capacitor has square parallel plates 25cm on a side, separated by 0.50mm. Find the dielectric constant of the oil
A ball is released from a hot air balloon moving downward with a velocity of -10.0 meters/second and a height of 1,000 meters. How long did it take the ball to reach the surface of Earth? Given: g = -9.8 meters/second2. A. 11.2 seconds B. 12.1 sec..
The electric field in a region of space is oriented along the positive y axis. A circle of radius R is placed in xz-plane. The flux of the electric field by this circle is Φ. The same electric field passing through a second circle of radius 2R parall..
A straight ladder is leaning against the wall of a house. The ladder has rails 3.20 m long, joined by rungs 0.530 m long. What should be the thickness of the rock
You travel from "point" Columbia to St. Louis in a car moving at a constant speed of 60 km/h. Then you travel back from St. Louis to Columbia the same distance moving at a constant speed of 120 km/h.
A basketball of mass 610g and circumference 76cm is rolling without slipping on a gym floor. Treating ball as a hollow sphere, what fraction of its total kinetic energy is associated with its rotational motion.
Cube of ice is taken from the freezer at -8.5°C and placed in a 75-gram aluminum calorimeter filled with 300.0 grams of water at room temperature of 20.0°C. The final situation is observed to be all water at 17°C. What was the mass of the ice cub..
What is the charge on a 1.0 cm length of wire. What is the net force exerted on the skier.
A 10 ohm resistor is in series with a 1 and 5 ohm resistor parallel combination. Calculate the total current running through the wire
An osprey’s call is a distinct whistle at 2200 {rm Hz}. An osprey calls while diving at you, to drive you away from her nest. You hear the call at 2300 {rm Hz}. Explain how fast is the osprey approaching?
A 1kg of ice at -30° C is added to 10 kg of steam at 500°C. answer the following questions, What is the final temperature when the equilibrium is established
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