Basic Biomechanics
7th Edition
ISBN: 9780073522760
Author: Susan J Hall
Publisher: McGraw-Hill Education
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Chapter 12, Problem 9IP
A set of 20 stairs, each of 20-cm height, is ascended by a 700-N man in a period of 12.5 s. Calculate the
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Compute the oxygen cost of cycling (ml · kg-1 · min-1) at work rates of 50, 75, 100, 125 W for a 60-kg person.
What is the Keq for the conversion of Glucose 6-Phosphate to Glucose 1-Phosphate if the phosphate transfer potential for Glucose 1-Phosphate and Glucose 6-Phosphate are -20.9 kJ/mol and -13.8 kJ/mol respectively?
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a
0.27
b
0.45
c
10.5
d
0.019
e
0.057
f
24.2
g
7.10
h
0.24
i
2477
What is the Keg for the conversion of Glucose 1-Phosphate to Glucose 6-Phosphate if the phosphate transfer potential for Glucose
1-Phosphate and Glucose 6-Phosphate are 20.9 kJ/mol and 13.8 kJ/mol respectively?
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
a
0.27
b
0.45
10.5
d
0.019
e
0.057
f
24.2
7.10
h
0.24
i
2477
Chapter 12 Solutions
Basic Biomechanics
Ch. 12 - How much force must be applied by a kicker to give...Ch. 12 - A high jumper with a body weight of 712 N exerts a...Ch. 12 - What factors affect the magnitude of friction?Ch. 12 - If s between a basketball shoe and a court is...Ch. 12 - A football player pushes a 670-N blocking sled....Ch. 12 - Lineman A has a mass of 100 kg and is traveling...Ch. 12 - Prob. 7IPCh. 12 - A ball dropped on a surface from a 2-m height...Ch. 12 - A set of 20 stairs, each of 20-cm height, is...Ch. 12 - A pitched ball with a mass of 1 kg reaches a...
Ch. 12 - Identify three practical examples of each of...Ch. 12 - Prob. 2APCh. 12 - A 2-kg block sitting on a horizontal surface is...Ch. 12 - Explain the interrelationships among mechanical...Ch. 12 - Prob. 5APCh. 12 - A 108 cm, 0.73-kg golf club is swung for 0.5 s...Ch. 12 - A 6.5-N ball is thrown with an initial velocity of...Ch. 12 - Prob. 8APCh. 12 - Using the principle of conservation of mechanical...Ch. 12 - Prob. 10AP
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- You have measured the following data for enzyme X. Substrate Vo concentration (micromolar (mM) Isec) 0.05 10 0.1 60 0.5 175 1 250 350 490 10 492 20 494 50 499 100 498 200 498arrow_forwardIf experimental determinations of Kp at different temperatures for a given equilibrium in the temperature range 20-40 °C are fitted to the function shown below: In K, = a T2+c In() (a = 123.5 K?; = 23.6) %3D Answer the following questions: Calculate Kw at 5°C, assuming that AH° is temperature independent.arrow_forwardThe following results were obtained for an enzyme-catalysed reaction Substrate concentration (mmol r'): 5.0 Initial velocity (umol l' min'): 6.67 10.0 20.0 40.0 147 182 233 323 400 Calculate Km and Vmaxarrow_forward
- In human resting muscle cells, the concentration of ATP is 4 mM, ADP is 0.013 mM, creatine-phosphate is 25 mM and creatine is 13 mM. Calculate the ΔG for the formation of creatine phosphate from ATP and creatine in kJ/mol and do not include unit in your answer.arrow_forwardSugar solution is being heated to 83 o C in a jacketed pan made from stainless steel, 1.6 mm thick. Heat is supplied by condensing steam at 200 kPa gauge in the jacket. Calculate the rate of heat transfer if the surface heat transfer coefficients for condensing steam and sugar solution are 12000 J/m2-s-oC and 3000 J/m2-s-oC, respectively. Thermal conductivity for the stainless steel is 21 J/m-s-oC and the surface area of the pan is 1.4 m 2 .arrow_forwardA 60 Hz generator of 2 with inertia constant of H = 4.5 MJ/MVA is delivering active power of 1.0 pu to the infinite bus (|V∞| = 1 pu), with the generator terminal voltage of |Vt| = 1 pu. Calculate the generator internal voltage. Find the maximum power that can be transferred, the swing equation and draw power angle curves for the following conditions: (a) system healthy (b) one line shorted (3-phase) in the middle (c) one line open Draw all three power angle curves on one plot, and mark which one is which. Excitation is held constant throughout all conditions.arrow_forward
- In active muscle cells, the pO2 is about 10 torr at the cell surface and 1 torr at the mitochondria(the organelles where oxidative metabolism occurs). Calculate the percentage of bound oxygentransported to the mitochondria of muscle cells by myoglobin (KD = 2 torr).arrow_forwardUse the Michaelis-Menten equation to determine the velocity of reaction when: • [S] = 15.0 mM Vmax = 94.0 umol/mL sec • Km = 4.00 mM Velocity of reaction = umol/mL secarrow_forwardplease show and explain how to find Km, Vmax and Ki value with this chart. Please show work and explanation please!arrow_forward
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