BASIC BIOMECHANICS
8th Edition
ISBN: 9781259913877
Author: Hall
Publisher: RENT MCG
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Chapter 15, Problem 3IP
A skier traveling at 5 m/s has a speed of 5.7 m/s relative to a headwind. What is the absolute wind speed? (Answer 0.7 m/s)
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The “mean-speed theorem” for calculating average velocity under constant acceleration, developed by Thomas Bradwardine and the Mertonian Calculators at Oxford University, is expressed algebraically as:
density = weight/volume
(m1)(v1) = (m2)(v2)
C. (vm) = 1/2 (v0 + vf)
s = (v0)(t) + 1/2 (a)(t2)
velocity = distance/time
Chapter 15 Solutions
BASIC BIOMECHANICS
Ch. 15 - Prob. 1IPCh. 15 - A cyclist is riding at a speed of 14 km/hr into a...Ch. 15 - A skier traveling at 5 m/s has a speed of 5.7 m/s...Ch. 15 - Prob. 4IPCh. 15 - Prob. 5IPCh. 15 - Prob. 6IPCh. 15 - Prob. 7IPCh. 15 - What strategy can people use to improve their...Ch. 15 - What types of individuals may have a difficult...Ch. 15 - Prob. 10IP
Ch. 15 - A cyclist riding against a 12-km/hr headwind has a...Ch. 15 - A swimmer crossing a river proceeds at an absolute...Ch. 15 - Prob. 3APCh. 15 - A scuba diver carries camera equipment in a...Ch. 15 - A 50-kg person with a body volume of 0.055 m3...Ch. 15 - A 670-N swimmer oriented horizontally in...Ch. 15 - Based on your knowledge of the action of fluid...Ch. 15 - Explain the aerodynamic benefits of drafting on a...Ch. 15 - Prob. 9APCh. 15 - Explain why a curveball curves. Include a...
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- a toy car rolls 10 meters (m) across the floor. it takes 5 seconds (s) to cross this distance. what is the speed of this car?arrow_forwardAn airplane flying directly eastward at a constant speed travels 293 km in 2.0 h. (a) what is the average velocity of the plane? (b) what is the instantaneous velocity?arrow_forwardUsing the above “mean-speed theorem”, calculate the average velocity of a car with constant acceleration from 0 km/hour (initial speed) to 80 km/hour (final speed) over a 5-minute period of time. average velocity over 5 minutes = 16 kilometers/hour average velocity over 5 minutes = 20 kilometers/hour average velocity over 5 minutes = 24 kilometers/hour average velocity over 5 minutes = 32 kilometers/hour average velocity over 5 minutes = 40 kilometers/hourarrow_forward
- please provide an example to solve for Velocity using the Michaelis-Menten Equation ?arrow_forwardYou 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_forwardSuppose as astronaut has landed on Mars. Fully equipped, the astronaut has a mass of 130 kg, and when the astronaut gets in scale, the reading is 477 N. What is the acceleration due to gravity on Mars?arrow_forward
- The “mean-speed theorem” for finding average velocity under constant acceleration, proposed by the Oxford Calculators, and demonstrated geometrically by Nicole Oresme, is expressed algebraically as: density = weight/volume (m1)(v1) = (m2)(v2) (vm) = 1/2 (v0 + vf) s = (v0)(t) + 1/2 (a)(t2) velocity = distance/timearrow_forwardA scientist was investigating if differences in the frictional work performed on a model car can change depending on its mass (in grams) and whether the car moves up or down an inclined plane. They decided to measure the amount of frictional force experienced by the model car and the distance it traveled in meters. The scientists were able to evaluate the frictional work using the following data. Mass (g) Distance (m) Force Work Done by Friction (J) car going up the incline 100 39 0.063 2.457 car going down the incline 70 39 0.2309 ? It is known that the relationship between force and distance determines the work done by friction (W+). W₁ = fd Wf work done by friction f = force d = distance Question: How much work done by friction was exerted on the car as it moved down the inclined plane? You may use a calculator. 1 2.457 9.005 11.46 16.16 PREVIOUS FINISHarrow_forwardFrom the equation of a lineweaver-burke plot, calculate Km and Vmax. Show your work and include units. The equation is y=393.4x +8.4337arrow_forward
- Using the Michaelis-Mentan graph pictured (graphing initial velocity and PNPP concentration), identify Vmax and Km as well as possible. Then, using the Lineweaver-Burk graph (graphing 1/Vo and 1 / PNPP concentration), label the reciprocals of Vmax and Km on the graph and use them to calculate Km and Vmax.arrow_forwardHow would warmer temperatures affect Km and Vmax on Michaelis-Menton curve?arrow_forwardA balloon occupies a volume of 1.25 L at sea level where the ambient pressure is 1 atm. What volume would the balloon occupy at an altitude of 10,700 m, where the air pressure is only 220 mmHg?arrow_forward
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