A car has a kinetic energy of 432,000 J when traveling at a speed of 23 m/s. What is its mass? Round to two decimal places.

According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

•• 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?

Which transition by an electron will release the greatest amount of energy? oa ob oc od