A book is sitting on the dashboard of a car that is stopped at a traffic light. As the car starts to move forward, the book slides backward off the dashboard. Use the term inertia to explain what happened.

What challenges did you encounter during the circuit training program?

Mike walks 100 meter north, then walks 30 meters south. after this, he walks another 10 meters north. what is the magnitude of his total displacement during this walk,in meters?

5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.