Which sphere of Earth includes icebergs?

atmosphere

biosphere

cryosphere

geosphere

C. Cryosphere

How do you determine the name of an isotope?

Four students give their teacher identical apples. Each student sets his or her apple on a different stack of books. Which apple has the most potential energy? A B C D

A 3.50kg box is moving to the right with speed 8.00m/s on a horizontal, frictionless surface. At t = 0 a horizontal force is applied to the box. The force is directed to the left and has magnitude F (t) = (6.

A current of 12 amps is measured in a circuit with a total resistance of 9.0 ohms. What is the size of the voltage source that supplies this circuit?

Which best explains how thermal energy is transferred when someone holds a hand above a fire? It is transferred by conduction and radiation. It is transferred by only convection. It is transferred by only conduction.

Two forces of intensities 3 N and 4 N act simultaneously on a body. If these forces have the same direction and sense, what is the intensity of the resulting force?

Ch 31 HW Problem 31.63 10 of 15 Constants In an L-R-C series circuit, the source has a voltage amplitude of 116 V, R = 77.0 Ω, and the reactance of the capacitor is 473 Ω. The voltage amplitude across the capacitor is 364 V.

Calculate the force at sea level that a boy of mass 50 kg exerts on a chair in which he is sitting.

A 25 kg girl steps off a diving platform that is 2 m high. Neglecting the effects of friction, what is the girl's speed just before she hits the water? A. 2.0 m/s B. 6.3 m/s C. 39 m/s D. 490 m/s

What three ways does the respiratory system modify air before it reaches the lungs?