Anybody can help with this? Didn't understand.. .

Before a cranberry can make it to your dinner plate, it must pass a bouncing test which rates its quality. if cranberries having an e ú 0.8 are to be accepted, determine the dimensions d and h for the barrier so that when a cranberry falls from rest at a it strikes the incline at b and bounces over the barrier at c.

What body systems are involded in sleep homeostasis

Which of these is a controllable risk fator for disease