The type of seismic waves that arrive at the surface first and move by compressing and expanding the ground like an accordion are called

a. S waves.

b. P waves.

c. Surface waves.

d. Mercalli waves.

The pressure differences that make wind happen are caused a. by a sudden drop in humidity. b. when water vapor in the air rises then falls. c. by accumulations of clouds in different areas. d. by the unequal heating of earth's surface.

Supriya has a pre-paid electricity connection at home. On a sultry Sunday afternoon, she checks that she only has ₹9 left in the balance. She wants to use the air conditioner (AC), rated at 1.2 kW. The price of electricity is ₹10 / unit in her area.

A thin slit illuminated by light of frequency f produces its first dark band at ± 38.2 ∘ in air. When the entire apparatus (slit, screen and space in between) is immersed in an unknown transparent liquid, the slit's first dark bands occur instead at

As its speed increases, what happens to its energy of motion?

What is the kinetic energy of an object that has a mass of 50.0 kg and a velocity of 18 m/s?

What physical characteristic is the same for a particular substance regardless of the sample size.

In the hydrologic cycle, water evaporates into the atmosphere. It then condenses and falls to the ground as precipitation. How can the water return to the atmosphere?

1. If a 25 kg car accelerates at a speed of 100m/s2,2 what will the force of the car be? Plug in the numbers: Force = mass x acceleration

1.) A circuit has a current of 0.5A and a resistence of 8 ohms. What is the resistence? 2.) A circuit has a voltage of 9V and a current of 3A, what is the resistence?

What is the source of energy for the process of evaporation?