A 1,500-kg car doubles its speed from 50 km/h to 00 km/h . By how times does the kinetic energy from the car's forward motion increase ?

What is a possible result of higher air temperature caused by global warming

Which type of basaltic lava flow has a fairly smooth

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.