A student travels in a car from Philadelphia for 12 hours before they reach their destination in Chicago. They measured the distance they traveled as 1221 km. What was their average speed? HELP ME PLEASE !!

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.