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A nuclear blast generates a normal shock wave that travels through still air with a Mach number of 5.00. The pressure and temperature in front of the shock (i.e., downstream) are 0.101 MPa and 20.0°C.
Determine the air velocity relative to a stationary observer (i.e., the wind velocity), the pressure, and the temperature immediately after the shock wave has passed.
You measure the period of your heartbeat on a particular EKG graph to be 1.2841 ± 0.0619 s. Find what is your heart rate in beats per minute
A square current loop 4.50cm on each side carries a 540mA current. What is the magnitude of the torque on the current loop
A father (m = 90 kg) and son (m = 45 kg) are standing facing each other on a frozen pond. The son pushes on the father and finds himself moving backward at 3 m/s after they have separated. How fast is the father moving.
Two charges are located on the x axis: q1 = +4.7C at x1 = +3.5 cm, and q2 = +6.6C at x2 = -3.3 cm. Find the magnitude of the net electric field at the origin
In the solar system frame, two events are measured to occur 3.0 hours apart in time and 1.5 hours apart in space. What is the time seperation between the events in the alien's frame
A car is moving with constant velocity v, and has wheels of radius R. At what angle does the piece of mud drop off the wheel
A 30-kg child rides on a circus Ferriswheel that takes her around a vertical circular path with a radiusof 20 m every 22 s. What is the magnitude of the resultant force on the child
during a lightning flash there exists a potential difference of vcloud - vground 1.7 x 109 v between a cloud and the
The temperature of the surface of the Sun is 5800 K. Using Wein's Law, compute the wavelength of the color of light at which the Sun has its greatest Emissive Power. Describe this color verbally.
a 3.04 microf capacitor is charged by a 18.0 v battery. it is disconnected from the battery and then connected to an
Waves of frequency 198 Hz and amplitude 1.48 cm move along a 21.0 m string that has a mass of 0.046 kg and a tension of 48.0 N
air passes steadily through a device from 20 psia and 80degf to 40 psia. during the process a work input of 24.2 btulb
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