Please help me with this question, giving the first correct answer brainliest

What quantity do units represent in value

What is a transverse wave? how do the particles in the medium move in relation to the energy of the wave? does this wave require a medium?

Aball is fired with an initial velocity of 500 m/s at an angle of 30 degrees above the horizontal across a level field. a. what are the horizontal and vertical components of the initial velocity. b. calculate the maximum height, the time of flight, and the range of the ball.