The mass of the moon is 7.30x10^22 kilograms and has a radius of 1785 km what is the strength of the moons gravitational field on the surface??

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?

Which of these questions might a character ask if the conflict is man versus self? a. which path should i take to better myself? b. which boulder will be too heavy for me to carry? c. which friend is going to ditch me today? d. all of the above

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery