Hypothesize how ancient people were able to design and erect enormous artifacts without modern technology. how were these ancient people able to predict cycles?

Acar traveling at 22 m/s starts to decelerate steadily. it comes to a complete stop in 15 seconds. what is it’s acceleration?

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?