What is the second step in the scientific method

How does seismograph work

In which direction does a bag at rest move when a force of 20 newtons is applied from the right? ОА. in the direction of the applied force OB. in the direction opposite of the direction of the applied force OC.

What causes physical vibrations in transformers at twice the frequency of the AC power involved.

A star ending its life with a mass of four to eight times the Sun's mass is expected to collapse and then undergo a supernova event.

The definition of resistivity implies that an electric field exists inside a conductor. Yet we know that there can be no electric field inside a conductor. Is there a contradiction here? Explain.

If an atom has a mass number of 23, which of the following is always true? The number of protons in the nucleus does not equal the number of neutrons. The atomic number is less than 11. The atom is not an isotope.

What does the law of conservation of energy say

How many elements are in the lanthanide series?

Photon energy is proportional to which of the following. a. speed of light in a vacuum. B frequency of the light emitting the photon. C intensity of the light emmitting the photon. D wavelegnth of light emmitting thr photon.

Each half of earth surface is called