Reactions
identify whether each reaction represents a chemical reaction or a nuclear reaction by filling in the blank
with the word 'chemical or 'nuclear'.
ci, + h, → 2hci
reaction
this represents a
h+h - he+n
reaction
this represents a
done
) intro

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?

Ahuge (essentially infinite) horizontal nonconducting sheet 10.0 cm thick has charge uniformly spread over both faces. the upper face carries +95.0 nc/m2 while the lower face carries -25.0 nc/ m2. what is the magnitude of the electric field at a point within the sheet 2.00 cm below the upper face? (ε0 = 8.85 × 10-12 c2/n · m2)