Which of the following best describes the method of vehicle transport that is most environmentally sustainable? A) The use of a vehicle powered by ethanol because corn is grown to produce energy rather than for human and livestock consumption.
B) The use of a plug-in hybrid vehicle because the fuel sources do not release any carbon dioxide.
C) The use of a vehicle powered by hydrogen fuel cells because there are no carbon emissions.
D) The use of a vehicle powered by biodiesel because it can be used in conjunction with traditional diesel

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending

Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25º, b) el tiempo que el balón permanece en el aire.

Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?