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1. A streamline in 20-C water is 2 mm from a flat plate at the leading edge. Using the parabolic velocity profile of Sec. 8.5.3 with U1 ¼ 1 m=s, predict how far from the plate the streamline is when x ¼ 1 m. 2. Show that the power-law form for the velocity profile in a turbulent fiow is not a good approximation at the wall or at the outer edge of the boundary layer.
consider a carousel 32 feet in diameter. this carousel takes 11 s to accelerate from rest to its operating speed of
A small diameter, 81 cm long solenoid has 215 turns and is connected in series with a resistor and battery. The size of the magnetic field inside the solenoid is 1.118E-4 T when a voltage of 61.0 V is applied to the circuit. Calculate the resistance ..
Find the work done by 2.54 moles of an ideal gas if its volume doubles at a constant temperature of 23.6°C. Find the heat absorbed by the gas
an improved version of a model of radioactive is to toss a large number of dice instead of coins: each has die that comes up a "one" represent a nucleus that has decayed. what is the half-life in numbers of tosses
A parallel beam of light from a He-Ne laser, with a wavelength of 662nm, falls on two very narrow slits 0.050 mm apart. How far apart are the fringes in the center of the pattern if the screen is 2.5m away.
A horizontal spring-mass system oscillates on a frictionless table. If the ratio of the mass to the spring constant is 0.062 kg*m/N, find the maximum extension of the spring
A bottle has a mass of 35.00 g when empty and 98.44 g when filled with water. When filled with another fluid, the mass is 88.78 g. What is the specific gravity of this other fluid
A 58.0 kilogram guy is riding an escalator in a shopping mall. Find the work done on the guy by the gravitational force
Consider a box in the back of a truck. If the truckaccelerates slowly the box moves with the truck without slipping. What forces act on the box to accelerate it? In what direction do those forces point, please show in a free body diagram?
Diagram of the control of an electric heating system. The heater is driven from a voltage-controlled power supply, the voltage V1 being derived from a potientiometer.
you throw a ball upward with an initial speed of 4.4 rm ms. when it returns to your hand 0.90 rm s later it has the
If an electron moves perpendicular to the same magnetic field with this same translational speed, what is the radius of its circular orbit
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