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An airfoil is being tested at an altitude of 34000 ft, standard atmosphere, and a speed of 600 knots. At a specific point "A.'' the pressure is measured to be at eighty-seven percent (87%) of the free tream pressure.
Determine the local velocity and Mach number at point ''A'' assuming isentropic flow.
A loudspeaker at a rock concert generates 10-2 W/m2 at 18 m at a frequency of 1 kHz. Suppose that speaker spreads its energy uniformly in all directions. What is the intensity level at 18.00m.
A 2,284-kg car is moving down a road with a slope (grade) of 13% at a constant speed of 11 m/s. What is the direction and magnitude of the frictional force
a boy goes to market with a average speed of 29 kmh.he returns back half the way he went with a average speed of 40
The nucleus of a hydrogen atom is a single proton, which has a radius of about 1.2 × 10-15 m. What is the ratio of the density of the hydrogen nucleus to the density of the complete hydrogen atom
While on a vacation to Kenya, you visit the port city of Mombassa on the Indian Ocean. Calculate the muzzle velocity necessary to hit a pirate ship 300 meters from the base of the fort
A skateboarder of mass 60.1 kg is riding her 3.89-kg skateboard at a speed of 5.21 m/s. She jumps backward off her skateboard, sending the skateboard forward at a speed of 7.53 m/s.
A baseball player hits the ball and it lands in the field seat 10 m above the point, find the c and y components of the initial velocity vector of the baseball
What factors affects a team cohesiveness? If you were a team leader, how to be more and foster better relationships among team members?
The internal energy of a system increases by 100 J while 800 J of work are performed on it. What was the heat flow into or out of the system
n = 2.90 mol of Hydrogen gas is initially at T = 370 K temperature and pi = 2.27×105 Pa pressure. What would be the temperature of the gas, if the gas was allowed to adiabatically expand back to its original pressure
Consider a particle in the ground state of the harmonic oscillator. Obtain the wavefunction in momentum space. Calculate the probability of ending the particle between x = 0 and x = 2*(2h/(m?))^1/2 in two ways: using the real space wavefunction and ..
A rifle is aimed horizontally at a target 51m away. The bullet hits the target 2.0cm below the aim point. What was the bullet's speed as it left the barrel
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