Aforce of 50n is applied to a horizontal rope attached to a 40kg sled that can slide freely on ice, pulling the sled a distance of 3.0 m. what speed does the sled have at the end of the 3.0m if it was initially at rest?

Animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. reactivate d) a dog is getting hot in the sunlight, so he moves to a shaded area.

Which accounts for an increase in the temperature of a gas that is kept a constant volume

Apatient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused this symptom?