Aphysics student who is studying velocity and acceleration makes the following statement: “if an object is slowing down, its speed is gradually decreasing. that means that it’s acceleration must be negative.” would you agree with this statement?

On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units