a family travels 110 km easy to spend the night in a hotel. the next day they drive back home, but after traveling 45 km west they decide to stop and visit with friends for the night. find the distance and displacement of the family

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?