PLEASE I WILL GIVE BRAINLIEST IF IT'S A GOOD ANSWER! How are stable nuclei and un-stable nuclei similar?

Avertical clean glass piezometer tube has an inside diameter of d = 1 mm and is used to measure pressure in a horizontal pipe carrying water as shown. due to pressure in the pipe, the water at 20c rises into the tube to a height h. if the water pressure in the pipe is p = 500 pa gauge, estimate the height h: (a) without considering surface tension (b) with surface tension (capillary) effects. the contact angle  can be assumed at 30 deg

According to the image below, which season is about to begin in the southern hemisphere? a. summer b. autumn c. winter d. spring

Relative to the ground below, how many joules of potential energy does a 1000-kg boulder have at the top of a 5-m ledge?