The periodic table arranges elements by increasing _.

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

In a system, when potential energy decreases, then entropy also decreases. true false

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?