a burning candle is placed 20cm in front of a concave mirror of focal length 10cm find the nature and position of the image formed​

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

The image shows the positions of a car on a roller coaster track. arrange the cars in order based on their gravitational potential energy. begin with the lowest potential energy and end with the highest.

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?