2. Muscle can generate approximately 90 N of force per square centimeter of cross-sectional area. If...
2. Muscle can generate approximately 90 N of force per square centimeter of cross-sectional area. If a biceps brachii has a cross-sectional area of 10 cm2, how much force can it exert?
ANSWER FOR PROBLEM 2 = 900 N
3. Using the same force/cross-sectional area estimate as in Problem 2, and estimating the cross sectional area of your own biceps brachii how much force should the muscle be able to produce
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2. Muscle can generate approximately 90 N of force per square
centimeter of cross-sectional area. If...
(I) For a trapezoidal channel with a fixed cross-sectional area of 10m2, bottom width b, depth...
(I) For a trapezoidal channel with a fixed cross-sectional area of 10m2, bottom width b, depth y, and side slopes of 2H:1V, confirm that the most efficient (optimal) cross-section occurs with b / У = 21 V1+ m2-m | , where ,n=2 in this case. To do this, it is easiest to make a Matlab or Excel program with different b/y ratios and 10m2 cross-sectional area, and determine the relative flow rates. Then normalize this by the optimal flow rate...
An aluminum cable with cross-sectional area 1.50 times 10^-6 m^2 is suspended from the ceiling. A...
An aluminum cable with cross-sectional area 1.50 times 10^-6 m^2 is suspended from the ceiling. A mass is suspended from the free end of the cable to keep the cable straight and at a certain length. If the temperature of the cable is reduced by 10 C degree, by how much should the suspended mass be increased so that the length of the cable remains the same? The coefficient of linear expansion for aluminum is alpha = 23 times 10^-6...
please answer all 4 questions, please write clear 4. If the pressure in the thermometer abo temperature? ve was 121 kPa, to the nearest Celsius degree what is the 9. The cross-sectional area of t...
please answer all 4 questions, please write clear
4. If the pressure in the thermometer abo temperature? ve was 121 kPa, to the nearest Celsius degree what is the 9. The cross-sectional area of the output piston in a hydraulic device is 10 times the area of the input piston. By how much can the device multiply the input force? The cross-sectional area of the output piston in a hydraulic device is 3.0 times the area of the input piston....
A copper wire of cross-sectional area of 8.2x10^-7 m^2 has a resistance of 1.11 Ω. a)....
A copper wire of cross-sectional area of 8.2x10^-7 m^2 has a resistance of 1.11 Ω. a). How long is the wire? b). If a potential of 12.0 V is applied across the ends of the wire, what current will flow through the wire? c). How much electrical power is supplied to the spool? d). How many electrons (N) pass through this wire in 1.00 minutes?
Problem 9.42 A marble column of cross-sectional area 1.6 m² supports a mass of 23200 kg...
Problem 9.42 A marble column of cross-sectional area 1.6 m² supports a mass of 23200 kg . The elastic modulus for marble is 5.0 x 1010 N/m² Part A By how much is the column shortened if it is 8.2 m high? Express your answer to two significant figures and include the appropriate units. ? CH PÅ Al = Value O 2 Units Submit Previous Answers Request Answer
A 505-g squirrel with a surface area of 920 cm2 falls from a 4.4-m tree to...
A 505-g squirrel with a surface area of 920 cm2 falls from a 4.4-m tree to the ground. Estimate its terminal velocity. (Use therag coefficient for a horizontal skydiver. Assume that the cross-sectional area of the squirrel can be approximated as a rectangle of width 11.5 cm and length 23 cm. Note, the squirrel may not reach terminal velocity by the time it hits the ground. Give the squirrel's terminal velocity, not it's velocity as it hits the ground.) ITn/s...
2. In lacrosse, an attacker's stick is 101.6 cm long. The stick is 350 g and...
2. In lacrosse, an attacker's stick is 101.6 cm long. The stick is 350 g and due to the weight of the basket, has a center of gravity 10 cm toward the basket from the center. Presume the player's right hand is centered, and consider it the axis of rotation. The ball has a mass of hand also provides a downward force of 3 N at a point 40 cm from the ball, and the force of the left hand,...
Materials fracture when the force per unit area, called STRESS, exceeds a critical value. In general, the critical stress depends on the direction as well as the magnitude of the force. For example,...
Materials fracture when the force per unit area, called STRESS, exceeds a critical value. In general, the critical stress depends on the direction as well as the magnitude of the force. For example, bones break differently when subjected to torsional (twisting) stress than when subjected to compressional (or squeezing) stress. Let us consider compressional stress. Wet human bone for 20-39 year olds has an ultimate compressive strength of 1.6x104N/cm2 [8]. Consider a person who falls from a height to the...
i got 1.4 but it was incorrect and i am not sure why. Please help! READING 2 Materials fracture when the force per unit area, called STRESS, exceeds a critical value. In general, the critical stress...
i got 1.4 but it was incorrect
and i am not sure why. Please help!
READING 2 Materials fracture when the force per unit area, called STRESS, exceeds a critical value. In general, the critical stress depends on the direction as well as the magnitude of the force. For example, bones break differently when subjected to torsional (twisting) stress than when subjected to compressional (or squeezing) stress. Let us consider compressional stress. Wet human bone for 20-39 year olds has...
A) A 4.00 cm x 4.00 cm x 4.00 cm cube of density 920 kg/m3 is...
A) A 4.00 cm x 4.00 cm x 4.00 cm cube of density 920 kg/m3 is floating at rest at the top of a beaker of cross sectional area 100 cm2 with 500 mL of water in it (1 mL of water has a volume of 1 cm3 or 1x10-6 m3 ). 500 mL of oil of density 900 kg/m3 is added to the top of the beaker, and the cube is observed to float completely submerged, unevenly straddling the...
(I) For a trapezoidal channel with a fixed cross-sectional area of 10m2, bottom width b, depth y, and side slopes of 2H:1V, confirm that the most efficient (optimal) cross-section occurs with b / У = 21 V1+ m2-m | , where ,n=2 in this case. To do this, it is easiest to make a Matlab or Excel program with different b/y ratios and 10m2 cross-sectional area, and determine the relative flow rates. Then normalize this by the optimal flow rate...
An aluminum cable with cross-sectional area 1.50 times 10^-6 m^2 is suspended from the ceiling. A mass is suspended from the free end of the cable to keep the cable straight and at a certain length. If the temperature of the cable is reduced by 10 C degree, by how much should the suspended mass be increased so that the length of the cable remains the same? The coefficient of linear expansion for aluminum is alpha = 23 times 10^-6...
please answer all 4 questions, please write clear
4. If the pressure in the thermometer abo temperature? ve was 121 kPa, to the nearest Celsius degree what is the 9. The cross-sectional area of the output piston in a hydraulic device is 10 times the area of the input piston. By how much can the device multiply the input force? The cross-sectional area of the output piston in a hydraulic device is 3.0 times the area of the input piston....
Problem 9.42 A marble column of cross-sectional area 1.6 m² supports a mass of 23200 kg . The elastic modulus for marble is 5.0 x 1010 N/m² Part A By how much is the column shortened if it is 8.2 m high? Express your answer to two significant figures and include the appropriate units. ? CH PÅ Al = Value O 2 Units Submit Previous Answers Request Answer
A 505-g squirrel with a surface area of 920 cm2 falls from a 4.4-m tree to the ground. Estimate its terminal velocity. (Use therag coefficient for a horizontal skydiver. Assume that the cross-sectional area of the squirrel can be approximated as a rectangle of width 11.5 cm and length 23 cm. Note, the squirrel may not reach terminal velocity by the time it hits the ground. Give the squirrel's terminal velocity, not it's velocity as it hits the ground.) ITn/s...
2. In lacrosse, an attacker's stick is 101.6 cm long. The stick is 350 g and due to the weight of the basket, has a center of gravity 10 cm toward the basket from the center. Presume the player's right hand is centered, and consider it the axis of rotation. The ball has a mass of hand also provides a downward force of 3 N at a point 40 cm from the ball, and the force of the left hand,...
Materials fracture when the force per unit area, called STRESS, exceeds a critical value. In general, the critical stress depends on the direction as well as the magnitude of the force. For example, bones break differently when subjected to torsional (twisting) stress than when subjected to compressional (or squeezing) stress. Let us consider compressional stress. Wet human bone for 20-39 year olds has an ultimate compressive strength of 1.6x104N/cm2 [8]. Consider a person who falls from a height to the...
i got 1.4 but it was incorrect
and i am not sure why. Please help!
READING 2 Materials fracture when the force per unit area, called STRESS, exceeds a critical value. In general, the critical stress depends on the direction as well as the magnitude of the force. For example, bones break differently when subjected to torsional (twisting) stress than when subjected to compressional (or squeezing) stress. Let us consider compressional stress. Wet human bone for 20-39 year olds has...
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