Before the collision, the toy engine is travelling at 0.32 m/s. The mass of the engine is 0.50kg, (a) Calculate the momentum of the toy engine before the collision

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.

Explain why you think this diagram shows what happened to the carbon in the biodome.

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell