Abicycle travels 10 km in 20 minutes. what is its average speed (in km/h) ?

Find the vertex(use the completing the square method), findthe x- and y-intercepts, and sketch the graph offunction. y = 2x2 + 4x - 1

Erosion of the beach is normally a slow process. however, in certain situations, large chunks of shore may wash out to sea. what could cause this to happen?

What is the angular momentum of the bar about the axle?