1. A truck of mass 3120 kg is accelerated from rest to a speed of 22.1 m/s. How much work was done on the truck to achieve that speed?

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

If the speed of a particle triples ,by what factor does its kinetic energy increase?

25pts the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?