Prior to decoupling, all matter was ________, with free electrons and nuclei
Fill in the blank(s) with correct word
ionized
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A Venturi tube may be used as the inlet to an automobile carburetor. If the 2.0-cm diameter pipe narrows to a 1.0-cm diameter, what is the pressure drop in the constricted section for an airflow of 3.0 m/s in the 2.0-cm section? (? = 1.2 kg/m3.)
A. 70 Pa B. 85 Pa C. 100 Pa D. 120 Pa E. 81 Pa
An insulated wire of diameter 1.0 mm and negligible resistance is wrapped tightly around a cylindrical core of radius 5.0 cm and length 30 cm to build a solenoid
What is the energy stored in this solenoid when a current I = 0.20 A flows through it? (?0 = 4? × 10-7 T ? m/A) A) 1.2 × 10-4 J B) 9.6 × 10-4 J C) 4.8 × 10-4 J D) 2.4 × 10-4 J E) 5.9 × 10-5 J
A charged particle (m = 5.0 g, q = ?70 ?C) moves horizontally at a constant speed of 30 km/s in a region where the free fall gravitational acceleration is 9.8 m/s2 downward, the electric field is 700 N/C upward, and the magnetic field is perpendicular to the velocity of the particle. What is the magnitude of the magnetic field in this region?
a. 47 mT b. zero c. 23 mT d. 35 mT e. 12 mT
A refrigerator is an example of a heat mover
Indicate whether the statement is true or false