super-embed:
<form>
			<label for="angular_velocity">Angular Velocity</label>
			<input type="text" id="angular_velocity" name="angular_velocity" oninput="calcRKE()">
			<select name="angular_velocity_units" id="angular_velocity_units" onchange="angular_velocity_unit_change()">
			  <option value="rpm">rpm</option>
			  <option value="rads">rad/s</option>
			</select><br>
			
			<label for="moment_of_inertia">Moment of Inertia</label>
			<input type="text" id="moment_of_inertia" name="moment_of_inertia" oninput="calcRKE()">
			<select name="moment_of_inertia_units" id="moment_of_inertia_units" onchange="moment_of_inertia_unit_change()">
			  <option value="kgm">kg·m²</option>
			  <option value="gmm">g·mm²</option>
			  <option value="lbft">lb·ft²</option>
			  <option value="ozin">oz·in²</option>
			</select><br>
			
			<label for="rotational_kinetic_energy">Rotational Kinetic Energy</label>
			<input type="text" id="rotational_kinetic_energy" name="rotational_kinetic_energy"> joules<br>
	</form>