Two balls with the same mass move in the direction of one another. Ball 1 moves in the positive x- direction with speed of ₁. and ball 2 moves in the negative x-direction with a speed of V2. The balls collide elastically, and both change direction after the collision. Write an expression for the horizontal component of the system's initial momentum, Pix, in terms of mass m, P₁, and vi Write an expression for the horizontal component of the system's final momentum, Pf.x, in terms of m and the final speeds of ball 1, P₁, and ball 2, P₂f- If the initial speeds of the balls were ₁2.0 m/s and v2=1.0 m/s what would be the final speed and direction of ball 2, P27, in meters per second?

to produce an image with a height of +10 cm when the object has a height of +1 cm, the magnification of an optical system must be?  a)+10 b)-10  c)0.1 d) -0.1

An object placed 15 cm to the left a convex lens produces and image 31 cm on right side of the lens. What is the focal length of this lens? Only numerical answer required. No need for units.

Please see the image attached. I only need part D. Thank you so much!

A 5.50 cm tall object is 24.0 cm from a concave mirror with f = 20.0 cm. Find the image height. (Mind your minus signs.) (Unit = cm) Academy of Science. All Rights Reserved. Search H Enter 65 hulu

See the attached image.  Thanks.

Need help with physics practice problems, image included. Thanks!

3. Make an image with a convex lens and a concave lens when object is at C or at 2F. Show your drawing and write four qualities of the images formed.

Problem 96. Indicate the single lens type (converging or diverging) and object position that will lead to the following kind of images. If no single lens system can produce the particular image indicate that this is so. A) real, upright, enlarged image. B) huge image at "infinity". C) real, enlarged, inverted image. D) tiny inverted image very near the focal point. E) real, reduced in size, inverted image. F) virtual, reduced in size, upright image. G) virtual, enlarged, upright image. H) real, inverted image that is the same size as the object. I) virtual, enlarged, inverted image. Problem 97. You are handed a converging lens and you have a ruler. Describe two different simple ways to determine the focal length of this lens. Each way should involve making only one measurement.

The radius of curvature of a spherical convex miror is 20 cm. 1) Describe the image formed when a 10-cm tall object is positioned 50 cm from the mirror. Calculate the image distance dI. Follow the sign convention. (Express yor answer to two significant figures). 2) Calculate the image height and describe the orientation. (Express yor answer to two significant figures). 3) Describe the image formed when a 10-cm tall object is positioned 100 cm from the mirror. Calculate the image distance dI. Follow the sign convention. (Express yor answer to two significant figures). 4) Is the image real or virtual? 5) Calculate the image height and describe the orientation. (Express yor answer to two significant figures).