Which type of image can be projected on a screen?
plain
virtual

What is the role of the ocular lens?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?