A bird rests on a branch in an oak tree, 12 m above the grassland, as it when young he suddenly needs to pass some solid waste. How fast is the solid waste traveling as it hits the grassland A cat staring at the bird immediately notices something strange being released by the bird how long does the cat have to react and get out of the way?

Tungsten-filament lightbulb emits light based on the temperature of the filament. which phenomenon does this demonstrate?

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.