A concave mirror has a focal length of 12.0 cm. An object is placed 40.0 cm in front of the mirror. Calculate the image distance and determine if the image is real or virtual. Ans: 17.14 cm

Identify the type of synthetic material used in each object

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

If y gets smaller as x gets bigger and y have an relationship?