What is the acceleration of a slider of mass 33.7 kg if the coefficient of friction between the slider and the slide is 0.32 and the angle of the slide is 30 degrees

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

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

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good