Why spoon can sound like a bell

Hot combustion gases enter the nozzle of a turbojet engine at 260 kpa, 747oc, and 80 m/s. the gases exit at a pressure of 85 kpa. assuming an isentropic efficiency of 92 percent and treating the combustion gases as air, determine a.

When a rectangle is constructed in order to add perpendicular velocities, what part of the rectangle represents the resultant vector?

The photon energy for light of wavelength 500 nm is approximately (Show your work). A. 1.77 eV B. 3.10 eV C. 6.20 eV D. 2.48 eV E. 5.46 eV

Which type of climate receives the most intense solar energy? A. grasslands climate B. polar climate C. temperate climate D. tropical climate

A ping-pong ball is shot straight north from a popgun at 4.0 m/s. The wind is blowing to the west at 3.0 m/s. What is the actual velocity of the ping-pong ball? 7.0 m/s 1.0 m/s

Your heart pumps 80 g of blood with each beat. The blood starts from rest and reaches a speed of 0.60 m/s in the aorta. If each beat takes 0.16 s, the average force exerted on the blood is a. 3.0" 102 N b. 0.22 N c. 0.16 N d. 0.30 N e. 0.98 N

What is the formula for calculating the mass when i have the number of volume and density

What is the name for potential difference that causes current to flow? (A) electric charge (B) static discharge (C) voltage

How is a herpetologist and a ecologist similar

In an oscillating lc circuit, when 75.0% of the total energy is stored in the inductor's magnetic field, (a) what multiple of the maximum charge is on the capacitor and (b) what multiple of the maximum current is in the inductor?