A runner sprints 400 meters in 66 seconds. What was her speed? Be sure to include the proper units

Which levels of government establish and implement educational requirements for minors

An object dropped from cliff falls with a constant acceleration of 10 metre per second square find its speed of two seconds after it was dropped

A1000-kg car is moving at 30 m/s around a horizontal unbanked curve whose diameter is 0.20 km. what is the magnitude of the friction force required to keep the car from sliding?