Two speakers create identical 288 Hz sound waves. A person is 1.47 m from Speaker 1. What is the minimum distance to Speaker 2 for there to be constructive interference at that spot?

If vx = 7.00 units and vy = -7.60 units, determine the magnitude of v⃗ . determine the direction of v⃗ .

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.