Which of the following is an example of a pure substance?

A. a sample of oxygen gas

B. a solution of sugar water

c. a mixture of pasta and sauce

D. an alloy of iron and carbon

Which organs are used in reproduction? A. Brain, Spinal cord, and Eyes B. Lungs, Esophagus, and Heart C. Mouth, Stomach, and gallbladder D. Ovaries, Uterus, and Fallopian tubes

What is Potentiometer

What are two factors that affect sound quality?

Which of the following units are equivalent to the units for momentum? Select one: a. Nm b. N/m c. Ns d. N/s

Which of Newton's laws accounts for the following statement? Negative acceleration is proportional to applied braking force

A moving object has a kinetic energy of 150 j and a momentum with a magnitude of 30.0 kg•m/s. determine the mass and speed of the object

How does changing depth affect water pressure

The mass of a rigid rod is 0.60 kg and its length is 39.0 cm. Calculate the moment of inertia (in kg · m2) for the rod if it is pivoted about an axis through the center of mass of the rod. (Assume the axis is perpendicular to the rod.

Does a rolling basketball have kinetic energy

Noah Formula is in an airplane which is flying at constant speed in a circular course of radius 6500 m, circling O'Hare's airplane prior to landing. Noah observed that the plane completes each round trip in 345 seconds (5 minutes & 45 seconds).