Suppose you have two cars, and the larger one is twice as massive as the smaller one. if you and a friend push on them so that their acceleration are equal, how must the forces applied to the cars compared?

Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor

A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n