At maximum power output an electric bike of mass 40kg can reach a top speed of 25m/s in 7 seconds. With a driver of mass 50 kg calculate its power output.​

What is the temperature in degrees celsius of a substance with a tempature of 49k

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion