Asolid uniform disk with a mass m and a radius r is pivoted around a horizontal axis through its center, and a small object with mass m is attached to the rim of the disk. if the disk is released from rest with the small object at the end of a horizontal radius, find the angular velocity of the small object at the bottom.

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

A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?

The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?