Cars are about 25% efficent at turning chemicla energy into kinetic energy. How many KWH of kenitic energy would you get from 750 KWH of gasoline energy?

•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec

The ph is the a.independent variable b.the dependent variable c.control group