The kinetic energy possessed by an object in motion is determined by which factor(s)? A. The object's velocity and mass
B. The object's height and mass
C. The object's velocity only
D. The object's mass only

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented.b)scientists had not completely finalized their results, which took 30 years.c)cigarettes were cheaply available and media channels were very inefficient.d)cigarette manufacturers were trying hard to bring an alternative into the market

How would doubling the made of an object change the objects potential energy

Can anybody me with this? ? (picture included.)