In the diagram below, the uniform metre rule is pivoted at X and held up at the point Y by a rope.
rope
х
15 cm
95 cm
Given that the weight of the metre rule is 4.0 N, calculate the tension in the rope that
is needed to ensure that the ruler stays horizontal.

Ihave no idea sorry

This is what a calorimeter is used for simpler ex, to measure calories in food.

Answerthe global climate during the paleogene departed from the hot and humid conditions of the late mesozoic era and began a cooling and drying trend which dispite having been periodically disrupted by warm periods such as the paleocene-eocene thermal maximum, persists today;

Idon't get it? what do you mean by playing 17 hours on the wii