For heavy elements, what is the ratio of neutrons to protons that predicts a stable nucleus?
a.
1: 1
b.
1.5: 1
c.
2: 1
d.
10: 5

The california mussel (mytilus californianus) attaches itself to a rock or other solid surface with a bundle of filaments known as the byssus. imagine that 15.0 j of work is done to stretch the distal end of the byssus. it releases 10.8 j of thermal energy as it relaxes. what is the resilience of the distal end of the byssus?

Which statements did both aristotle and ptolemy assume? check all that apply.

Ice at 0.0∘c has a density of 917 kg/m3. a 3.00 cm3 ice cube is gently released inside a small container filled with oil and is observed to be neutrally buoyant. what is the density of the oil?