What is the best description of the acceleration of an object?

question 5 options:

a runner travels 100 m in one minute.

a car's velocity changes from 25 m/s to 20 m/s in 5 seconds.

an airplane changes elevation from 10,000 ft to 5,000 ft.

a remote-control car speeds up.

Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o

Identify a specific example for each type of technology

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?