15 A rock falls freely from the top of a building of height 122.5 m. If the free fall acceleration equals 9.8 m/s, calculate the rock’s velocity before it reaches the ground by one second.

Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?

Ahurricane sweeps across the ocean and damages the houses of people living along the coast. which of these does not play any role in this interaction? air water glaciers living things

What is the frequency if a wave that pases a given pount 22 times in 2 seconds