Velocity is the speed and direction of an object.

* True

* False

A positive charge, q1, of 5 µC is 3 * 10-2 m west of a positive charge, q2, of 2 µC. What is the magnitude and direction of the electrical force, Fe, applied by q1 on q2?

Billy tapped the ruler and it made a funny noise. Billy heard the sound because the ruler vibrated forth. molecules back and the air his ear the table his finger

If i play two pure tones, one at 100 hz and the other at 110hz, will we perceive beats? if so, what will be the beat frequency

How does the nervous system allow you to run

Which part (s) of the electromagnetic spectrum are visible to humans?

Which of the following determine an object's velocity? A. speed and direction B. direction and acceleration C. speed and mass D. speed, direction, and acceleration

The following statements regarding the exhaust gas recirculation (EGR) valve are all correct except: Low restriction exhaust systems will have no effect on EGR system operation. B.

A 10.0 V battery is connected to a 120-ohm resistor. Ignoring the internal resistance of the battery Calculate the power delivered to the resistor.

Hemoglobin (Hb) is the O2-carrying protein in our blood. Unlike myoglobin, it has four sites allowing it to bind up to four O2 molecules.

Why does the moon appear to change shape? A: It rotates and makes it own light B: It moves closer and farther away from the earth in a yearly pattern. C: It reflects sunlight as it revolves around the earth.