2. A circuit consists of a 10.0-ohm resistor,

a 15.0-ohm resistor, and a 20.0-ohm

resistor connected in parallel across a

9.00-volt battery. What is the equivalent

resistance of this circuit?

(1) 0.200 12 (3) 4.62 1

(2) 1.95.22

(4) 45.012

5.170kg+4.20kg calculate this for me with the correct number of significant figures

Ikg. Refer to your lab guide and review the data in Table F to complete each statement. The mass of G1 at all times during this trial was The velocity of G1 + G2 after the collision was m/s. The momentum of G1 after the collision was kg. m/s.

You slide across an icy sidewalk. According to Newton's first law, why will you eventually slow down? A. There are forces acting on you. B. You have inertia. C. You have zero acceleration. D. There is no air resistance.

Pure water is a poor conductor of electricity. When sodium chloride (NaCl) is dissolved in water, however, the solution becomes a good conductor of electricity. Which of the following statements explains this change in conductivity? A.

Describe the rise and fall of a thrown basketball by using the concepts o kinetic energy and potential energy

If an ant were scaled up to the size of an elephant, the ant would be

A 4.0 kg food pack was dropped from a height of 200 m by a helicopter during flood relief operations. At what velocity will the food pack be falling halfway to the ground?

The sun generates both mechanical and electromagnetic waves. Which statement about those waves is true? The mechanical waves reach Earth, while the electromagnetic waves do not.

A 3-kg mass is in free fall. What is the velocity of the mass after 7 seconds?

How does the role of blood protect the body