What happens when an object is dropped?
a.
its velocity at 2 seconds is 20 km/h.
b.
its velocity at 2 seconds is 19.6 m/s.
c.
its velocity at 2 seconds is 22 mph.
d.
its velocity at 2 seconds is 9.8 m/s.

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.

What is the equation fort the alkaline zinc/manganese dioxide cell. a) anode b)cathode c)overall equations.