A motorist travels 50.0 km east then slows down to 36km/h and travels for 37 min. They travel a total time of 2 h and 34 min, what was their velocity for the first portion of the trip?

In the first law of thermodynamics, triangle e=q-w, what does q stand for

How to calculate voltage drop in a series circuit

Which lists the amplitudes of sound waves from these sources in order from greatest to least? busy roadway, kids whispering, average home chainsaw, diesel truck, rustling leaves kids whispering, vacuum cleaner, jet airplane library, conversational speech, music from speaker