An 80 kg man is standing in an elevator which is moving down and slowing down at a rate of 2.0 m/s2. how hard must the floor of the elevator push up on the man?

Which statement best describes the circular flow model?

Which organnele is like the brain of the cell

You may make the following measurements of an object 42kg and 22m3. What would the objects density be?

What would happen to the rock cycle if erosion did not occur

What does Tabula Rasa mean and who first said it?

Which electromagnetic waves have a higher frequency than visible light

Calculate the speed for a car that went a distance of 125 miles in 2 hours time

A small 25 kilogram canoe is floating downriver at a speed of 4 m/s. What is the canoe's kinetic energy?

A car traveling on a flat (unbanked), circular track accelerates uniformly from rest with a tangential acceleration of 1.85 m/s2. The car makes it one quarter of the way around the circle before it skids off the track.

A train travels 120 km in 2 hours and 30 minutes what is the average speed