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1. The drag force on a cylinder is studied in a wind tunnel. If wall effects are negligible, relate the drag force to the wind's speed, density and kinematic viscosity, and the cylinder's diameter and length. 2. The distance of the flight of a golf ball is assumed to depend on the initial velocity of the ball, the angle of the ball from the club, the viscosity and density of the air, the number of dimples on the ball and its diameter, and gravity. Write an expression for the flight distance. How would the temperature of the air influence the flight distance?
Water flows through a horizontal pipe of cross-sectional are 10 cm2 at a pressure of 0.25 atm. Find what is the pressure at the valve
cylinder made of red brass (K = 130 W/m degrees C) supports a hot reservoir at a temperature of 64o Celsius. Find the rate of heat flow through the cylinder
question derive the expressions to find the wavelength of a particle of mass m and charge q accelerated through a
question when a charged particle moves at an angle of 20deg with respect to a magnetic field it experiences a magnetic
The primary coil of a transformer has 232 turns; the secondary coil has 1900 turns. An alternating current is sent through the primary coil. What is the emf amplitude in the secondary
A baseball (m=140 g) traveling 35 m/s moves a fielder's glove backward 25 cm when the ball is caught. evaluate the average force exerted by the ball on the glove
A man is lifting a 210 Newton object. His spine and back are a uniform rod of weight at 320 Newton. Evaluate what is Compression force
A magnetic field is oriented at an angle of 43 to the normal of a rectangular area 6.2 by 5.9. what is the strength of the magnetic field
Object O1 is 13.7 cm to the left of a converging lens with a 11.9-cm focal length. What is the focal length of the second lens
The telescope at Yerkes Observatory in Wisconsin has an objective whose focal length is 19.4 m. Its eyepiece has a focal length of10.0 cm. What is the angular magnification of the telescope
for a particle in a cubical box and in its ground state given an accurate estimate of the probability for finding the
The secondary coil of a neon sign transformer provides 7500 V at 10.0 mA. The primary coil operates on 120 V. What does the primary draw
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