How much power is generated by Lydia De Vega (50 kg) running up a 6 m flight of stairs in 5 seconds?

How to calculate voltage drop in a series circuit

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.

7types of electromagnetic waves from lowest to highest frequency