Spectral Series: What is the longest wavelength in the Balmer series?

A. 240 nm
B. 328 nm
C. 365 nm
D. 656 nm
E. 820 nm


Answer: D

Physics & Space Science

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Banked Curves: Two cars go around a banked curve at the proper speed for the banking angle. One car has tires with excellent traction, while the other car has bald slippery tires. Which of these cars is more likely to slide on the pavement as it goes around the curve?

A. the car with the new tires B. the car with the bald tires C. Neither car will slide. D. It depends on if the pavement is wet or dry.

Physics & Space Science

A rocket with a mass of 750 grams is launched straight up. It achieves a velocity of 25.00 m/s in 2.00 seconds. The average net force on the rocket is

A. 16.7 N. B. 24.5 N. C. 33.1 N. D. 41.7 N. E. 52.8 N.

Physics & Space Science

Galaxies are labeled as active if there is an unusually large amount of star formation occurring in their centers.

Answer the following statement true (T) or false (F)

Physics & Space Science

When the Sun is on the horizon, it is actually lower than it appears because of

a. refraction. b. dispersion. c. scattering. d. reflection.

Physics & Space Science