Answer:
1: a measuring instruments the students should use for time is a stopwatch
2: a measuring instruments the students should use for distance is a measuring tape
Explanation:
pls mark brainliest
I think it is 1.16 MJ
PE=mgh
PE=(74)(9.81)(1600)= 1,161,504J = 1.16MJ
too old
32 hours is what I got
Energy May be measured in joule