A car approaches a barrier at a speed of 20 m/s along a level road. The driver applies the brakes at a distance of 52 m from the barrier. What minimum coefficient of kinetic friction is required to stop the car before it hits the barrier?.

Hree steps to answering test questions correctly include a. underlining, repeating, reading c. reading, undoing, eliminating b. reading, underlining, erasing d. reading, underlining, eliminating

Match each fossil with the layer where it’ll be present based on those conditions.

Healing after the death of a loved one is most difficult when: a) the bereaved is not allowed to mourn in the way he or she wishes b) the death is a long, protracted one c.) a period of grief has already elapsed d) no other mourners are present