An object with density of 0.8g/ml will float in water

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

The plum pudding model of the atom state that ?

What are two different ways you could find the value of a? explain these methods.