Alead fishing weight of mass 0.2 kg is tied to a fishing line that is 0.5 m long. the weight is then whirled in a vertical circle. the fishing line will break if its tension exceeds 60 n .

Determine the maximum r-value of the polar equation r =3+3 cos 0

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.