What is the acceleration of a car moving at a steady speed of 50 mph?

A wave has a speed of 30 m/sec and a wavelength of 3 meters. Calculate its frequency.

Consider a blood vessel of constant diameter and fixed length. Which equation expresses the relation between pressure gradient (ΔP), blood flow (F), and resistance (R) ?

Which reaction (s) most likely release the greatest amount of energy

Which one of the following is not a balanced equation? A. 2Ca (s) + O2 (g) → 2CaO (s) B. Ca (s) + O2 (g) → CaO (s) C. 2Li (s) + 2H2O (l) → 2LiH (aq) + H2 (g) D. CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (g)

Betty made a simple electromagnet using just a battery and a wire. What could Betty do to increase the strength of her electromagnet?

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.