Which of these are physical changes in matter? Check all that apply. boiling water a pencil being sharpened exploding dynamite freezing water rotting cheese

How are Newton's 3rd Law and Force related?

Particles of charge + 65, + 48, and?95? C are placed in a line (Figure 1). The center one is L = 40cm from each of the others. no title provided a) Calculate the net force on the left charge due to the other two.

Which factors most influence global precipitation?

A 79 kg person sits on a 3.7 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.3 cm in diameter. Determine the pressure exerted on the floor by each leg of the chair, assuming all weight is evenly distributed.

What is the definition of Rock Strata and Law of Original Horizontality?

What produces an electromagnetic wave? A) An oscillating or accelerating electric charge B) An electric charge moving at constant velocity C) A static electric charge D) A magnetic monopole moving at constant velocity

A physics book has a height of 25.8 cm, a width of 20.2 cm, and a thickness of 2.90 cm. (a) What is the density of the physics book if it weighs 20 N? kg/m³ (b) Find the pressure that the physics book exerts on a desktop when the book lies face up.

A 24 volt battery is connected to a 3Ω resistor and a 5Ω resistor in series. What is the current in the circuit?

Two technicians are discussing a problem where the brake pedal travels too far before the vehicle starts to slow. Technician A says that the brakes may be out of adjustment.

What are three types of muscle fibers? A.) smooth, intermediate-twitch, cardiac B.) slow twitch, intermediate twitch, fast twitch C.) smooth, cardiac, skeletal D.) slow twitch, fast twitch, involuntary