Can somebody please help me with these problems it might be easy for you please answer 1,2, and 3 Thank you

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

Show how to convert the temperature 84.7° c to kelvin. include all steps and label the final answer.

Which molecules are more strongly attracted to one another -c3h8o molecules that make up liquid rubbing alcohol or ch4 molecules that make up methane gas