The speed of the bird increased from 18km/h to 18m/s. How much has her speed changed?

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

Can you receive a shock severe enough to prevent you from releasing the wire from an ordinary outlet with dry hands? a. no b. yes explain

Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.