This time, Bob rides the first mile at 32 mph, and the second mile at 60 mph. Alice rides the entire two miles at the average of the two speeds. Calculate Bob's time minus Alice's time
in minutes.

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?

Which of the following statements are true for an isothermal process? check all that apply. - during an isothermal process, the work done by the gas equals the heat added to the gas. - during an isothermal process, the internal energy of the system changes. - an isothermal process is carried out at constant temperature. - an isothermal process is carried out at constant pressure. - an isothermal process is carried out at constant volume.