The half-angle of the conical shock wave produced by a supersonic aircraft is 60. What is the ratio of the speed of the aircraft to the speed of sound?
A) 2.0 B) 1.7 C) 0.87 D) 1.2
Question 2
A 1.10-kg wrench is acting on a nut trying to turn it. The length of the wrench lies directly to the east of the nut. A force 150.0 N acts on the wrench at a position 15.0 cm from the center of the nut in a direction 30.0 north of east.
What is the magnitude of the torque about the center of the nut? A) 22.5 Nm
B) 11.3 Nm
C) 19.5 Nm
D) 2250 Nm
E) 1949 Nm
On average, the ratio of carbon to nitrogen is much higher in terrestrial plants than in other major
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Maple syrup is produced by evaporating most of the water from sap collected from maple trees in