moon has a mass of 6.4 x1015 kg and the centripetal force between the moon and Steco is 4.2 x 1010 N what is the radius of Melo’s orbit? (4pts)

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

What type of nuclear decay causes the atomic number of an element to increase by 1?

In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.