Answer: A surface wave is a wave that moves along the interface of two different materials, like air and water.
Answer:
I FOUND IT!!!
https://quizlet.com/189779132/9-pe-gymnasticsweightlifting-flash-cards/
sry its only the crossword
<span>velocity is defined as the rate of change of displacement irrespective of the length of the path travelled while speed is the average rate of covering distance. but in the liming case where the instantaneous velocity is given as v=dx/dt where dx is the small displacement in a small interval dt, both the speed and velocity have the same magnitude and the direction of velocity is the direction of the tangent to the corresponding displacement-time curve.</span>
Answer: 187.68 m
Explanation:
Given
Time period 
The time period of a pendulum is given by
where L=height of tower
Put values
The answer is hydrogen ions. Hydrogen ions, entirely, the core of a hydrogen iota isolated from its going with an electron. The hydrogen core is comprised of a molecule conveying a unit positive electric charge, called a proton. The separated hydrogen particle, spoken to by the image H +, is in this way generally used to speak to a proton.
