A low-density, hot gas produces a continuous spectrum
Indicate whether the statement is true or false
FALSE
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Name the four layers of the Earth's atmosphere, going up from the surface
What will be an ideal response?
A rad is that amount of radiation that:
a. is also known as a rem. b. deposits 10–2 J of energy into 1 kg of absorbing material. c. deposits 8.76 × 10^–3 J of energy into 1 kg of air. d. produces 2.08 × 10^9 ion pairs per cm3 in air under standard conditions.
A hurricane's source of energy is
A) strong winds. B) evaporation of cool seawater. C) heat released from condensing water. D) rapidly sinking air.
A spring-powered dart gun is un-stretched and has a spring constant 12.0 N/m. The spring is compressed by 8.00 cm and a 5.00 gram projectile is placed in the gun. The velocity of the projectile when it is shot from the gun is
A. 1.52 m/s. B. 2.54 m/s. C. 3.92 m/s. D. 4.24 m/s. E. 5.02 m/s.