dos policias de caminos que se encuentran en reposo repecto a la carretera estan separados por una distancia de 70 km. Pasa un coche por la posicion del primero, quien le avisa a su compañero por radio. Media hora despues, el coche pasa frente al segundo policía. Si el limite de rapidez para transitar es de 110 km/h, ¿puede saberse si el vehículo ha superado dicho límite?

It is may 5 and you are somewhere in the northern hemisphere. if you determine that the noon sun is 51 degrees above your southern horizon, what is the latitude of your location

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.