X1=-a/2 to x2=a√2/2. ?t

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

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

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity