A glass ball with a shiny coating acts like a mirror. The ball has a diameter of 10cm. You hold the ball away from you at arm’s length and look at your reflection. If the nose on your face is 1.1 meters from the mirror surface, calculate the image distance and the magnification

The slope of a good speed time indicates ? a. velocity b. acceleration c. direction d. speed

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

The car hoist allows the car to be driven onto the platform, after which the rear wheels are raised. if the loading from both rear wheels is 1380 lb, determine the force in the hydraulic cylinder ab. neglect the weight of the platform itself. member bcd is a right-angle bell crank pinned to the ramp at c. the force is positive if in tension, negative if in compression.