In an optical microscope, the objective lens has 0.150 cm focal length. For an object at 0.155 cm distance from the objective lens, what is the overall magnification if an eyepiece of a magnification of 8.00 is used

How much work would be needed to raise the payload from the surface of the moon (i.e., x = r) to an altitude of 5r miles above the surface of the moon (i.e., x = 6r)?

What is the radius of the circular path ofa charged particle in a magnetic field?

Astronomers discover an exoplanet (a planet of a star other than the sun) that has an orbital period of 3.87 earth years in its circular orbit around its sun, which is a star with a measured mass of 3.59 x 1030 kg. find the radius of the exoplanet's orbit.