Through which gas in the table do sound waves travel at the slowest speed? Air (dry)/Ammonia/Methane/Nitrous oxide
Speed of sound (m/s) 346/ 415/ 450/ 263

A. Ammonia
B. Nitrous oxide
C. Air
D. Methane

The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.

Alarge box of mass m is pulled across a horizontal frictionless surface by a horizontal rope with tension t. a small box of mass m sits on top of the large box. the coefficients of static and

What types of radiation make up the electromagnetic spectrum?