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1) A 15 denier fiber initially 20 cm long, breaks when stretched to a length of 21.10 cm.
a. Find the breaking length of this fiber in cm.
b. Find the strain of this fiber in %.
c. What would the final stretched length of a 150 m long fiber, made of the same material?
d. Find the fiber tenacity if the rupture load is approximately 58.50 g.
Transvers waves: Speed of wave on streatched string. Two steel wires are stretched with the same tension. The first wire has a diameter of 0.610 mm and the second wire has a diameter of 0.910 mm
A 4.9 kg particle and a 2.7 kg particle have a gravitational attraction with a magnitude of 2.6 ? 10-12 N. What is the gravitational potential energy of the two-particle system
As part of a carnival game, a 0.578-kg ball is thrown at a stack of 24.3-cm tall, 0.343-kg objects and hits with a perfectly horizontal velocity of 11.6 m/s. find the center of mass velocity of the tall object
A man leaves the garrage in his house and drives to a neighbouring town which is twenty kilometres away from his house on sight-seeing. He returns home to his garrage two hours after. What is his average velocity from home in km/h?
Three point charges are located in the x-y plane. q1 = +78.2 nC at (0.0, -4.6 cm), q2 = -36.4 nC at (+5.8 cm, 0.0) and q3 = +77.4 nC at (-6.2 cm, +8.4 cm). Determine the magnitude of the net electric field at the origin
An S wave crosses the boundary between two different types of rock. The angle of incidence is 22° and the angle of refraction is 34°. what is the speed past the boundary
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 19.0 m/s at an angle 48.0 degrees; How high above the ground will the ball be when it gets to Julie
A flywheel having constant angular acceleration requires 4.6-{rm s} to rotate through 162 rad. Its angular velocity at the end of this time is 100 rad/s. Find out the angular velocity at the beginning of the 4.6s interval; the angular acceleration..
a stone is dropped into a river from a bridge 42.5 m above the water. another stone is thrown vertically down 1.13 s
A particle oscillates with S.H.M. The maximum displacement from its mean position is 0.5 meter and frequency of motion is 10 Hz. at time t=0, particle is located at 0.15 meter and has the velocity of 24.0 m/s towards the negative x-axis.
Assuming the parallel portion of the circuit may be described by long straight wire sections, and the permeability of free space, μo = 4 Π(10^-7) Tm/A. Sketch the FBD
q1. george of the jungle with mass m swings on a light vine hanging from a stationary tree branch. a second vine of
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