ayudaaa urgent confio en ustedesss : ruido del motor de un auto de fórmula 1, tiene una frecuencia de 570 hz. Si un observador lo ve acercarse en la recta del circuito a 252 km/h, ¿con qué frecuencia lo percibirá? a) 647 hz b) 697 hz c) 718 hz d) ninguna

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called

Hey student studies gravity using objects that have the same mass which two objects have the greatest gravitational force acting between them a. 100kg 1.0m 100kg b. 100kg 2.0m 100kg c. 100kg 2.0m 100kg big d. 100kg big 3.0m 100kg big