【AP物理C】HW55#3 – Two 1.20 kg balls are attached to the ends of a thin rod of length 40.0 cm and negligible mass…

【AP物理C】HW55#2 – a 30 kg child stands on the edge of a stationary merry-go-round of radius 2.1 m. The rotational inertia of …

AP Physics – HW43#5 – The uniform solid block in the figure below has mass…

AP Physics – HW43#4 – Two particles, each with mass m = 0.89 kg, are fastened to each other, and to a rotation axis

AP Physics – HW43#3 – Some European trucks run on energy stored in a rotating flywheel, with an electric motor

AP Physics – HW43#2 – Calculate the rotational inertia of a meter stick…

AP Physics – HW43#1 – A disk that can rotate about an axis at a radial distance h from the center of the disk

AP Physics – HW42#5 – A car starts from rest and moves around a circular track of radius…

AP Physics – HW42#3 – wheel A of radius rA = 15 cm is coupled by belt B to wheel C of radius rC = 20 cm. The angular speed of wheel A …

AP Physics – HW42#2 – What is the angular speed ω about the polar axis of a point on the Earth’s surface at a latitude of 10° N?