A-Level Physics: True or False statements

A-Level Physics: True or False statements

With reference to the figure above, a mass m hangs at the end of a rope which is attached to a support fixed on a trolley moving to the right with a speed v on a horizontal track. The angle, θ, is the angle the rope makes with the vertical. Are the following...
A-Level Chemistry: Performing Chemical Calculations

A-Level Chemistry: Performing Chemical Calculations

A mass of 0.457 g of solid carbon dioxide was vapourised into an evacuated gas syringe at r.t.p. A small amount of inert gas was introduced into the gas syringe and the volume of the gas syringe was 334.5 cm³. The temperature was kept constant throughout. How much...