Mercury is the only one liquid metal that's at 68°f. its volumic mass is at 13.5 kg/l. find the density of 1kg of mercury.

Awheel rotates without friction about a stationary horizontal axis at the center of the wheel. a constant tangential force equal to 82.0 n is applied to the rim of the wheel. the wheel has radius 0.150 m . starting from rest, the wheel has an angular speed of 12.8 rev/s after 3.88 s. what is the moment of inertia of the wheel?

Diamond will scratch quartz. true or false

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.