The car is heading from city a at 9:45:12 am to city B at the speed of 70 km/h it reach city B at 11:30:07 am it rest for 45 minutes in city B then countine its motion toward city C with a speed of 80 km/h it reach city C at 14:30:08 a-calculate the duration of the whole trip in second
b-calculate the distance covered city between a and b
c-calculate the distance covered between city b and c​

Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.

Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2