Two waves are travelling through the same container of nitrogen gas. wave a has a wavelength of 1.5m. wave b has a wavelength of 4.5m. the speed of wave b must be the speed of wave a.

one-ninth

one-third

the same as

three times larger than

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

In physics the desire of an object to keep doing what it is doing is termed?

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.