A wave is traveling at a speed of 120 m/s and its wavelength is 4 m. Calculate the wave’s frequency and period. HELP PLS

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

Which scientist was the first to propose the heliocentric model of the universe? a. aristotle b. isaac newton c. galileo galilei d. nicolaus copernicus