Sarah, who has a mass of 55 kg, is riding in a car at 20 m/s. she sees a cat crossing the street and slams on the brakes! her seatbelt stops her frpm flying forward, bringing her to rest in 0.5 seconds. how much force did the seatbelt put on sarah?

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Place the steps tor the formation of the enzyme pepsinogen in correct order

The activity of the modern sample is 1.10 bq . how long does that measurement take?