Ill give if you answer in 5 minutes At what sound frequency will the wavelength equal the distance between a pair of human ears (10 cm)? (Note: The ability to locate the direction of a sound wave becomes worse as the wavelength shortens below 10 cm)

Aspaceship starting from a resting position accelerates at a constant rate of 9.8 meters per second per second. how far will the spaceship travel if its final speed is 1 percent the speed of light (300,000,000 m/s)? a. 3.1 × 106 m b. 2.94 × 108 m c. 7.8 × 1010 m d. 4.6 × 1013 m