xpress all answers in significant figures and scientific notation.  The  elastic  limit  of  Al is   1.8 X 10^8 Pa.  Find  the  minimum   radius (meter) of  an Al wire  that  could  support  a  10.0  kg mass without  surpassing its  elastic  limit

4c

A sphere of copper has a radius of 8.00 cm and is compressed uniformly by a force of 5.00 × 108 N. The bulk modulus for copper is 140 x 10⁹ N/m². Calculate the sphere's change in volume AV after compression. Calculate the sphere's final radius R. AV = R = 3.81 x107 Incorrect 0.075 -7 Incorrect m³ m

Number 6

Many caterpillars construct cocoons from silk, one of the strongest naturally occurring materials known. Each thread is typically 2.0 µm in diameter, and the silk has a Young's modulus of 4.0 x 10° N/m2. Assuming that there is no appreciable space between the parallel strands, how many strands N would be needed to N = strands make a rope 8.6 m long that would stretch only 1.02 cm when supporting a pair of 85-kg mountain climbers? Again assuming that there is no appreciable space between the parallel strands, what would be the diameter d of the rope? d = cm

Many caterpillars construct cocoons from silk, one of the strongest naturally occurring materials known. Each thread is typically 2.0 µm in diameter, and the silk has a Young's modulus of 4.0 × 10⁹ N/m². Assuming that there is no appreciable space between the parallel strands, how many strands N would be needed to make a rope 8.2 m long that would stretch only 1.02 cm when supporting a pair of 91-kg mountain climbers? N = Again assuming that there is no appreciable space between the parallel strands, what would be the diameter d of the rope? strands d = cm

A solid copper cube has an edge length of 89.1 cm. How much stress must be applied to the cube to reduce the edge length to 89 cm? The bulk modulus of copper is 1.4 x 10¹¹ N/m². Number i Units

You are participating in a basketball game and as you turn to recieve a ball, a 4 cm long section of your medical collateral ligament stretches to 4.09 cm as a result of a 1150 N tensile force. (100 cm = 1 m; 1 m^2 = 1,000,000 nm^2), (1 m^2 = 1,000,000^2 or 18 mm^2 = 0.000018 m^2). a) how much strain does the ligament withstand? b) how much strain potential energy does the ligament possess in this position if the stiffness value (k) is 9,000 N/m? c) if the ligament has a cross section of 18 mm^2, how much stress does the ligament withstand? Answer parts a-c. Show all work.

Between each pair of vertebrae in the spinal column is a cylindrical disc of cartilage. Suppose that such a particular disc of cartilage has a a radius of 3.118 cm (100cm = 1 meter) and a thickness of 6.877 mm (1000mm= 1meter).  The shear modulus of cartilage is 1.2 × 107 N/m2. Suppose that a shearing force of magnitude 9 N is applied parallel to the top surface of the disc while the bottom surface remains fixed in place. How far does the top surface move relative to the bottom surface in microns (1 meter = 106 microns)?

Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber. (b) If, instead, the gold is drawn out into a cylindrical fiber of radius 2.100 μm, what is the length of the fiber?