On a particle level, when does the least amount of thermal conduction occur in a liquid?
A. When particles stop moving
B. When the average speed of particles is the same throughout the
liquid
C. When slow particles sink to the bottom
D. When fast particles rise to the top

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

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?