In a 1-g gravitational field, 1 second after turning on a flashlight its beam will curve beneath a perfectly straight line by
A) less than 4.9 m.
B) 4.9 m.
C) more than 4.9 m.
Answer: B
Physics & Space Science
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A 45-mH ideal inductor is connected in series with a 60-? resistor through an ideal 15-V DC power supply and an open switch. If the switch is closed at time t = 0 s, what is the current 7.0 ms later?
A) 250 mA B) 650 mA C) 550 mA D) 280 mA E) 850 mA
Physics & Space Science
A gold ring has an inner diameter of 2.168 cm at a temperature of 15.0°C. Determine its diameter at 100.0°C. (?GOLD = 1.42 × 10?5/°C)
What will be an ideal response?
Physics & Space Science
For the Doppler effect to occur, there must be
a. a moving source. b. a moving observer. c. relative motion between a source and an observer. d. no motion.
Physics & Space Science
Any particle with spin obeys the Pauli exclusion principle
Indicate whether the statement is true or false
Physics & Space Science